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253999492 = 22311273
BaseRepresentation
bin11110010001110…
…11100110000100
3122200221111210121
433020323212010
51010010440432
641112031324
76202650205
oct1710734604
9580844717
10253999492
1112041563a
1271092544
1340812c76
1425a3b5ac
1517474197
hexf23b984

253999492 has 24 divisors (see below), whose sum is σ = 462479360. Its totient is φ = 121935240.

The previous prime is 253999481. The next prime is 253999513. The reversal of 253999492 is 294999352.

253999492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1999933 + ... + 2000059.

Almost surely, 2253999492 is an apocalyptic number.

It is an amenable number.

253999492 is a deficient number, since it is larger than the sum of its proper divisors (208479868).

253999492 is an frugal number, since it uses more digits than its factorization.

253999492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 160 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 52.

The square root of 253999492 is about 15937.3615131238. The cubic root of 253999492 is about 633.3021309343.

The spelling of 253999492 in words is "two hundred fifty-three million, nine hundred ninety-nine thousand, four hundred ninety-two".

Divisors: 1 2 4 31 62 124 127 254 508 3937 7874 15748 16129 32258 64516 499999 999998 1999996 2048383 4096766 8193532 63499873 126999746 253999492