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78850112 = 2611313613
BaseRepresentation
bin1001011001100…
…10100001000000
312111101000000112
410230302201000
5130141200422
611454010452
71645133465
oct454624100
9174330015
1078850112
1140566290
12224a6a28
1313449b93
14a68766c
156dc7ee2
hex4b32840

78850112 has 56 divisors (see below), whose sum is σ = 176247552. Its totient is φ = 34675200.

The previous prime is 78850103. The next prime is 78850117. The reversal of 78850112 is 21105887.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (78850117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20018 + ... + 23630.

Almost surely, 278850112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78850112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88123776).

78850112 is an abundant number, since it is smaller than the sum of its proper divisors (97397440).

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

78850112 is a wasteful number, since it uses less digits than its factorization.

78850112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667 (or 3657 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 78850112 is about 8879.7585552762. The cubic root of 78850112 is about 428.8125014919.

Adding to 78850112 its reverse (21105887), we get a palindrome (99955999).

The spelling of 78850112 in words is "seventy-eight million, eight hundred fifty thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 31 32 44 62 64 88 124 176 248 341 352 496 682 704 992 1364 1984 2728 3613 5456 7226 10912 14452 21824 28904 39743 57808 79486 112003 115616 158972 224006 231232 317944 448012 635888 896024 1232033 1271776 1792048 2464066 2543552 3584096 4928132 7168192 9856264 19712528 39425056 78850112