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52379442 = 2324496481
BaseRepresentation
bin1100011111001…
…1111100110010
310122120011002100
43013303330302
5101402120232
65110401230
71204134513
oct307637462
9118504070
1052379442
11276264a5
1215660216
13ab0c46b
146d56a0a
1548e9c7c
hex31f3f32

52379442 has 24 divisors (see below), whose sum is σ = 113759100. Its totient is φ = 17418240.

The previous prime is 52379413. The next prime is 52379443. The reversal of 52379442 is 24497325.

52379442 is a `hidden beast` number, since 523 + 7 + 94 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 46662561 + 5716881 = 6831^2 + 2391^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52379397 and 52379406.

It is not an unprimeable number, because it can be changed into a prime (52379443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4842 + ... + 11322.

Almost surely, 252379442 is an apocalyptic number.

52379442 is an abundant number, since it is smaller than the sum of its proper divisors (61379658).

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

52379442 is a wasteful number, since it uses less digits than its factorization.

52379442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938 (or 6935 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 52379442 is about 7237.3642992460. The cubic root of 52379442 is about 374.1567827134.

The spelling of 52379442 in words is "fifty-two million, three hundred seventy-nine thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 449 898 1347 2694 4041 6481 8082 12962 19443 38886 58329 116658 2909969 5819938 8729907 17459814 26189721 52379442