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100415112 = 23372103829
BaseRepresentation
bin1011111110000…
…11011010001000
320222221121122020
411333003122020
5201201240422
613544124440
72326341300
oct577033210
9228847566
10100415112
11517553a6
1229766720
1317a5a735
14d49c600
158c3795c
hex5fc3688

100415112 has 96 divisors (see below), whose sum is σ = 295214400. Its totient is φ = 28377216.

The previous prime is 100415101. The next prime is 100415137. The reversal of 100415112 is 211514001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100415091 and 100415100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120714 + ... + 121542.

It is an arithmetic number, because the mean of its divisors is an integer number (3075150).

Almost surely, 2100415112 is an apocalyptic number.

100415112 is a gapful number since it is divisible by the number (12) 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 100415112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147607200).

100415112 is an abundant number, since it is smaller than the sum of its proper divisors (194799288).

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

100415112 is a wasteful number, since it uses less digits than its factorization.

100415112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 100415112 is about 10020.7341048448. The cubic root of 100415112 is about 464.8002564473.

Adding to 100415112 its reverse (211514001), we get a palindrome (311929113).

The spelling of 100415112 in words is "one hundred million, four hundred fifteen thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 103 147 168 196 206 294 309 392 412 588 618 721 824 829 1176 1236 1442 1658 2163 2472 2487 2884 3316 4326 4974 5047 5768 5803 6632 8652 9948 10094 11606 15141 17304 17409 19896 20188 23212 30282 34818 40376 40621 46424 60564 69636 81242 85387 121128 121863 139272 162484 170774 243726 256161 324968 341548 487452 512322 597709 683096 974904 1024644 1195418 1793127 2049288 2390836 3586254 4183963 4781672 7172508 8367926 12551889 14345016 16735852 25103778 33471704 50207556 100415112