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253896512 = 263967133
BaseRepresentation
bin11110010001000…
…10011101000000
3122200202021112112
433020202131000
51004444142022
641105514452
76202041032
oct1710423500
9580667475
10253896512
11120355231
1271042a28
13407a812c
1425a11c52
15174538e2
hexf222740

253896512 has 14 divisors (see below), whose sum is σ = 503826018. Its totient is φ = 126948224.

The previous prime is 253896509. The next prime is 253896521. The reversal of 253896512 is 215698352.

It can be written as a sum of positive squares in only one way, i.e., 251412736 + 2483776 = 15856^2 + 1576^2 .

It is a super-2 number, since 2×2538965122 = 128926877611532288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253896512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1983503 + ... + 1983630.

Almost surely, 2253896512 is an apocalyptic number.

It is an amenable number.

253896512 is a deficient number, since it is larger than the sum of its proper divisors (249929506).

253896512 is an equidigital number, since it uses as much as digits as its factorization.

253896512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967145 (or 3967135 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 253896512 is about 15934.1304124198. The cubic root of 253896512 is about 633.2165319846.

The spelling of 253896512 in words is "two hundred fifty-three million, eight hundred ninety-six thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 64 3967133 7934266 15868532 31737064 63474128 126948256 253896512