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253730570 = 25297112323
BaseRepresentation
bin11110001111110…
…01111100001010
3122200102211220112
433013321330022
51004423334240
641102154322
76200450162
oct1707717412
9580384815
10253730570
11120251595
1270b829a2
134074a742
14259ab5a2
151741e665
hexf1f9f0a

253730570 has 32 divisors (see below), whose sum is σ = 479157120. Its totient is φ = 96604480.

The previous prime is 253730569. The next prime is 253730651. The reversal of 253730570 is 75037352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14429 + ... + 26751.

It is an arithmetic number, because the mean of its divisors is an integer number (14973660).

Almost surely, 2253730570 is an apocalyptic number.

253730570 is a deficient number, since it is larger than the sum of its proper divisors (225426550).

253730570 is a wasteful number, since it uses less digits than its factorization.

253730570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12430.

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 253730570 is about 15928.9224368756. The cubic root of 253730570 is about 633.0785491015.

The spelling of 253730570 in words is "two hundred fifty-three million, seven hundred thirty thousand, five hundred seventy".

Divisors: 1 2 5 10 29 58 71 142 145 290 355 710 2059 4118 10295 12323 20590 24646 61615 123230 357367 714734 874933 1749866 1786835 3573670 4374665 8749330 25373057 50746114 126865285 253730570