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52032978 = 23210128621
BaseRepresentation
bin1100011001111…
…1010111010010
310121220112211100
43012133113102
5101310023403
65055125230
71201162434
oct306372722
9117815740
1052032978
112740a168
1215513816
13aa1a85a
146ca6654
15487c2a3
hex319f5d2

52032978 has 24 divisors (see below), whose sum is σ = 113858316. Its totient is φ = 17172000.

The previous prime is 52032947. The next prime is 52032983. The reversal of 52032978 is 87923025.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51883209 + 149769 = 7203^2 + 387^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12493 + ... + 16128.

Almost surely, 252032978 is an apocalyptic number.

52032978 is an abundant number, since it is smaller than the sum of its proper divisors (61825338).

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

52032978 is a wasteful number, since it uses less digits than its factorization.

52032978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28730 (or 28727 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 52032978 is about 7213.3888013887. The cubic root of 52032978 is about 373.3300033362.

The spelling of 52032978 in words is "fifty-two million, thirty-two thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 9 18 101 202 303 606 909 1818 28621 57242 85863 171726 257589 515178 2890721 5781442 8672163 17344326 26016489 52032978