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52870730 = 25111941617
BaseRepresentation
bin1100100110101…
…1111001001010
310200111010000012
43021223321022
5102013330410
65125111522
71211252033
oct311537112
9120433005
1052870730
1127931620
12158585a2
13ac51c73
147043a8a
154995605
hex326be4a

52870730 has 64 divisors (see below), whose sum is σ = 112129920. Its totient is φ = 17740800.

The previous prime is 52870681. The next prime is 52870747. The reversal of 52870730 is 3707825.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85382 + ... + 85998.

It is an arithmetic number, because the mean of its divisors is an integer number (1752030).

Almost surely, 252870730 is an apocalyptic number.

52870730 is an abundant number, since it is smaller than the sum of its proper divisors (59259190).

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

52870730 is a wasteful number, since it uses less digits than its factorization.

52870730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 52870730 is about 7271.2261689484. The cubic root of 52870730 is about 375.3229336756.

The spelling of 52870730 in words is "fifty-two million, eight hundred seventy thousand, seven hundred thirty".

Divisors: 1 2 5 10 11 19 22 38 41 55 82 95 110 190 205 209 410 418 451 617 779 902 1045 1234 1558 2090 2255 3085 3895 4510 6170 6787 7790 8569 11723 13574 17138 23446 25297 33935 42845 50594 58615 67870 85690 117230 126485 128953 252970 257906 278267 480643 556534 644765 961286 1289530 1391335 2403215 2782670 4806430 5287073 10574146 26435365 52870730