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12112464 = 2437134759
BaseRepresentation
bin101110001101…
…001001010000
3211210101011210
4232031021100
511100044324
61111340120
7204645210
oct56151120
924711153
1012112464
116923301
124081640
132681250
141874240
1510e3d29
hexb8d250

12112464 has 160 divisors (see below), whose sum is σ = 39997440. Its totient is φ = 3073536.

The previous prime is 12112453. The next prime is 12112469. The reversal of 12112464 is 46421121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12112464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205267 + ... + 205325.

It is an arithmetic number, because the mean of its divisors is an integer number (249984).

Almost surely, 212112464 is an apocalyptic number.

12112464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12112464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19998720).

12112464 is an abundant number, since it is smaller than the sum of its proper divisors (27884976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12112464 is a wasteful number, since it uses less digits than its factorization.

12112464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 131 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 12112464 is about 3480.2965390897. The cubic root of 12112464 is about 229.6558431913.

Adding to 12112464 its reverse (46421121), we get a palindrome (58533585).

The spelling of 12112464 in words is "twelve million, one hundred twelve thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 47 48 52 56 59 78 84 91 94 104 112 118 141 156 168 177 182 188 208 236 273 282 312 329 336 354 364 376 413 472 546 564 611 624 658 708 728 752 767 826 944 987 1092 1128 1222 1239 1316 1416 1456 1534 1652 1833 1974 2184 2256 2301 2444 2478 2632 2773 2832 3068 3304 3666 3948 4277 4368 4602 4888 4956 5264 5369 5546 6136 6608 7332 7896 8319 8554 9204 9776 9912 10738 11092 12272 12831 14664 15792 16107 16638 17108 18408 19411 19824 21476 22184 25662 29328 32214 33276 34216 36049 36816 38822 42952 44368 51324 58233 64428 66552 68432 72098 77644 85904 102648 108147 116466 128856 133104 144196 155288 205296 216294 232932 252343 257712 288392 310576 432588 465864 504686 576784 757029 865176 931728 1009372 1514058 1730352 2018744 3028116 4037488 6056232 12112464