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253730296 = 23231378969
BaseRepresentation
bin11110001111110…
…01110111111000
3122200102211112101
433013321313320
51004423332141
641102153144
76200446321
oct1707716770
9580384471
10253730296
11120251366
1270b827b4
134074a591
14259ab448
151741e531
hexf1f9df8

253730296 has 16 divisors (see below), whose sum is σ = 496429200. Its totient is φ = 121349184.

The previous prime is 253730231. The next prime is 253730297. The reversal of 253730296 is 692037352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253730297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689301 + ... + 689668.

It is an arithmetic number, because the mean of its divisors is an integer number (31026825).

Almost surely, 2253730296 is an apocalyptic number.

It is an amenable number.

253730296 is a deficient number, since it is larger than the sum of its proper divisors (242698904).

253730296 is a wasteful number, since it uses less digits than its factorization.

253730296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378998 (or 1378994 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 253730296 is about 15928.9138361660. The cubic root of 253730296 is about 633.0783212172.

The spelling of 253730296 in words is "two hundred fifty-three million, seven hundred thirty thousand, two hundred ninety-six".

Divisors: 1 2 4 8 23 46 92 184 1378969 2757938 5515876 11031752 31716287 63432574 126865148 253730296