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52691230 = 2547711579
BaseRepresentation
bin1100100100000…
…0000100011110
310200010222210001
43021000010132
5101442104410
65121204514
71206603514
oct311000436
9120128701
1052691230
1127819779
121579073a
13abbb357
146dd84b4
15495c33a
hex324011e

52691230 has 32 divisors (see below), whose sum is σ = 98288640. Its totient is φ = 20324640.

The previous prime is 52691209. The next prime is 52691257. The reversal of 52691230 is 3219625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32581 + ... + 34159.

It is an arithmetic number, because the mean of its divisors is an integer number (3071520).

Almost surely, 252691230 is an apocalyptic number.

52691230 is a deficient number, since it is larger than the sum of its proper divisors (45597410).

52691230 is a wasteful number, since it uses less digits than its factorization.

52691230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 52691230 is about 7258.8725019799. The cubic root of 52691230 is about 374.8977024668.

The spelling of 52691230 in words is "fifty-two million, six hundred ninety-one thousand, two hundred thirty".

Divisors: 1 2 5 10 47 71 94 142 235 355 470 710 1579 3158 3337 6674 7895 15790 16685 33370 74213 112109 148426 224218 371065 560545 742130 1121090 5269123 10538246 26345615 52691230