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253872276 = 22373022289
BaseRepresentation
bin11110010000111…
…00100010010100
3122200201001021220
433020130202110
51004442403101
641105210340
76201610260
oct1710344224
9580631256
10253872276
11120338aa9
12710309b0
134079a0a8
1425a070a0
151744b636
hexf21c894

253872276 has 24 divisors (see below), whose sum is σ = 676992960. Its totient is φ = 72534912.

The previous prime is 253872259. The next prime is 253872323. The reversal of 253872276 is 672278352.

It is a super-2 number, since 2×2538722762 = 128902265042840352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 1511061 + ... + 1511228.

It is an arithmetic number, because the mean of its divisors is an integer number (28208040).

Almost surely, 2253872276 is an apocalyptic number.

It is an amenable number.

253872276 is an abundant number, since it is smaller than the sum of its proper divisors (423120684).

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

253872276 is a wasteful number, since it uses less digits than its factorization.

253872276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022303 (or 3022301 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 253872276 is about 15933.3698883821. The cubic root of 253872276 is about 633.1963831924.

The spelling of 253872276 in words is "two hundred fifty-three million, eight hundred seventy-two thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 3022289 6044578 9066867 12089156 18133734 21156023 36267468 42312046 63468069 84624092 126936138 253872276