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113011420 = 225231511627
BaseRepresentation
bin1101011110001…
…10101011011100
321212122120112011
412233012223130
5212412331140
615114121004
72541403234
oct657065334
9255576464
10113011420
1158879175
1231a20164
131a54ac82
141101acc4
159dc4cea
hex6bc6adc

113011420 has 48 divisors (see below), whose sum is σ = 249435648. Its totient is φ = 42926400.

The previous prime is 113011417. The next prime is 113011421. The reversal of 113011420 is 24110311.

It is a self number, because there is not a number n which added to its sum of digits gives 113011420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113011421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68647 + ... + 70273.

It is an arithmetic number, because the mean of its divisors is an integer number (5196576).

Almost surely, 2113011420 is an apocalyptic number.

113011420 is a gapful number since it is divisible by the number (10) 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 113011420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124717824).

113011420 is an abundant number, since it is smaller than the sum of its proper divisors (136424228).

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

113011420 is a wasteful number, since it uses less digits than its factorization.

113011420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 113011420 is about 10630.6829507798. The cubic root of 113011420 is about 483.4750985922.

Adding to 113011420 its reverse (24110311), we get a palindrome (137121731).

It can be divided in two parts, 11301 and 1420, that added together give a palindrome (12721).

The spelling of 113011420 in words is "one hundred thirteen million, eleven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 151 230 302 460 604 755 1510 1627 3020 3254 3473 6508 6946 8135 13892 16270 17365 32540 34730 37421 69460 74842 149684 187105 245677 374210 491354 748420 982708 1228385 2456770 4913540 5650571 11301142 22602284 28252855 56505710 113011420