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52072074 = 2322892893
BaseRepresentation
bin1100011010100…
…0111010001010
310121222112110100
43012220322022
5101312301244
65100030230
71201414425
oct306507212
9117875410
1052072074
112743657a
1215532376
13aa325a2
146cb69bc
154888b69
hex31a8e8a

52072074 has 12 divisors (see below), whose sum is σ = 112822866. Its totient is φ = 17357352.

The previous prime is 52072019. The next prime is 52072109. The reversal of 52072074 is 47027025.

52072074 is a `hidden beast` number, since 520 + 72 + 0 + 74 = 666.

It can be written as a sum of positive squares in only one way, i.e., 50765625 + 1306449 = 7125^2 + 1143^2 .

It is a super-2 number, since 2×520720742 = 5423001781322952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1446429 + ... + 1446464.

Almost surely, 252072074 is an apocalyptic number.

52072074 is an abundant number, since it is smaller than the sum of its proper divisors (60750792).

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

52072074 is a wasteful number, since it uses less digits than its factorization.

52072074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892901 (or 2892898 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 52072074 is about 7216.0982532114. The cubic root of 52072074 is about 373.4234828711.

Adding to 52072074 its reverse (47027025), we get a palindrome (99099099).

The spelling of 52072074 in words is "fifty-two million, seventy-two thousand, seventy-four".

Divisors: 1 2 3 6 9 18 2892893 5785786 8678679 17357358 26036037 52072074