Search a number
-
+
78985112 = 2311538563
BaseRepresentation
bin1001011010100…
…11011110011000
312111121212012112
410231103132120
5130210010422
611500531452
71646235203
oct455233630
9174555175
1078985112
1140648758
1222550b88
131349646b
14a6c093a
156e02ee2
hex4b53798

78985112 has 16 divisors (see below), whose sum is σ = 148242840. Its totient is φ = 39453696.

The previous prime is 78985103. The next prime is 78985133. The reversal of 78985112 is 21158987.

It is a self number, because there is not a number n which added to its sum of digits gives 78985112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4943 + ... + 13505.

Almost surely, 278985112 is an apocalyptic number.

It is an amenable number.

78985112 is a deficient number, since it is larger than the sum of its proper divisors (69257728).

78985112 is a wasteful number, since it uses less digits than its factorization.

78985112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9722 (or 9718 counting only the distinct ones).

The product of its digits is 40320, while the sum is 41.

The square root of 78985112 is about 8887.3568624198. The cubic root of 78985112 is about 429.0570865652.

It can be divided in two parts, 78985 and 112, that added together give a palindrome (79097).

The spelling of 78985112 in words is "seventy-eight million, nine hundred eighty-five thousand, one hundred twelve".

Divisors: 1 2 4 8 1153 2306 4612 8563 9224 17126 34252 68504 9873139 19746278 39492556 78985112