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52379037 = 3217333641
BaseRepresentation
bin1100011111001…
…1110110011101
310122120010112100
43013303312131
5101402112122
65110355313
71204133364
oct307636635
9118503470
1052379037
1127626167
121565bb39
13ab0c219
146d567db
1548e9aac
hex31f3d9d

52379037 has 12 divisors (see below), whose sum is σ = 76098204. Its totient is φ = 34716480.

The previous prime is 52378987. The next prime is 52379039. The reversal of 52379037 is 73097325.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45441081 + 6937956 = 6741^2 + 2634^2 .

It is not a de Polignac number, because 52379037 - 212 = 52374941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52378992 and 52379010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52379039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15264 + ... + 18377.

It is an arithmetic number, because the mean of its divisors is an integer number (6341517).

Almost surely, 252379037 is an apocalyptic number.

It is an amenable number.

52379037 is a deficient number, since it is larger than the sum of its proper divisors (23719167).

52379037 is a wasteful number, since it uses less digits than its factorization.

52379037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33820 (or 33817 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The square root of 52379037 is about 7237.3363193927. The cubic root of 52379037 is about 374.1558183791.

The spelling of 52379037 in words is "fifty-two million, three hundred seventy-nine thousand, thirty-seven".

Divisors: 1 3 9 173 519 1557 33641 100923 302769 5819893 17459679 52379037