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52580638 = 21119125791
BaseRepresentation
bin1100100010010…
…1000100011110
310122221101002001
43020211010132
5101430040023
65114552514
71205633215
oct310450436
9118841061
1052580638
1127753680
121573873a
13ab7cc06
146daa07c
1549396ad
hex322511e

52580638 has 16 divisors (see below), whose sum is σ = 90570240. Its totient is φ = 22642200.

The previous prime is 52580629. The next prime is 52580641. The reversal of 52580638 is 83608525.

It is a junction number, because it is equal to n+sod(n) for n = 52580597 and 52580606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62478 + ... + 63313.

It is an arithmetic number, because the mean of its divisors is an integer number (5660640).

Almost surely, 252580638 is an apocalyptic number.

52580638 is a deficient number, since it is larger than the sum of its proper divisors (37989602).

52580638 is a wasteful number, since it uses less digits than its factorization.

52580638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125823.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 52580638 is about 7251.2507886571. The cubic root of 52580638 is about 374.6352316696.

The spelling of 52580638 in words is "fifty-two million, five hundred eighty thousand, six hundred thirty-eight".

Divisors: 1 2 11 19 22 38 209 418 125791 251582 1383701 2390029 2767402 4780058 26290319 52580638