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52564230 = 2325797393
BaseRepresentation
bin1100100010000…
…1000100000110
310122220112120100
43020201010012
5101424023410
65114344530
71205534325
oct310410406
9118815510
1052564230
1127742314
121572b146
13ab755c4
146da40bc
1549348c0
hex3221106

52564230 has 48 divisors (see below), whose sum is σ = 138415680. Its totient is φ = 13837824.

The previous prime is 52564229. The next prime is 52564231. The reversal of 52564230 is 3246525.

It is an interprime number because it is at equal distance from previous prime (52564229) and next prime (52564231).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52564194 and 52564203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52564231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3414 + ... + 10806.

It is an arithmetic number, because the mean of its divisors is an integer number (2883660).

Almost surely, 252564230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52564230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69207840).

52564230 is an abundant number, since it is smaller than the sum of its proper divisors (85851450).

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

52564230 is a wasteful number, since it uses less digits than its factorization.

52564230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7485 (or 7482 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 52564230 is about 7250.1193093631. The cubic root of 52564230 is about 374.5962588041.

The spelling of 52564230 in words is "fifty-two million, five hundred sixty-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 79 90 158 237 395 474 711 790 1185 1422 2370 3555 7110 7393 14786 22179 36965 44358 66537 73930 110895 133074 221790 332685 584047 665370 1168094 1752141 2920235 3504282 5256423 5840470 8760705 10512846 17521410 26282115 52564230