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52739230 = 25231072143
BaseRepresentation
bin1100100100101…
…1110010011110
310200020102121211
43021023302132
5102000123410
65122215034
71210163455
oct311136236
9120212554
1052739230
1127851845
12157b447a
13ac0715b
14700bb9c
15496b68a
hex324bc9e

52739230 has 32 divisors (see below), whose sum is σ = 100030464. Its totient is φ = 19980576.

The previous prime is 52739209. The next prime is 52739233. The reversal of 52739230 is 3293725.

It is a junction number, because it is equal to n+sod(n) for n = 52739192 and 52739201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52739233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23539 + ... + 25681.

It is an arithmetic number, because the mean of its divisors is an integer number (3125952).

Almost surely, 252739230 is an apocalyptic number.

52739230 is a deficient number, since it is larger than the sum of its proper divisors (47291234).

52739230 is a wasteful number, since it uses less digits than its factorization.

52739230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 52739230 is about 7262.1780479413. The cubic root of 52739230 is about 375.0115077950.

The spelling of 52739230 in words is "fifty-two million, seven hundred thirty-nine thousand, two hundred thirty".

Divisors: 1 2 5 10 23 46 107 115 214 230 535 1070 2143 2461 4286 4922 10715 12305 21430 24610 49289 98578 229301 246445 458602 492890 1146505 2293010 5273923 10547846 26369615 52739230