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253534054 = 21398391087
BaseRepresentation
bin11110001110010…
…01111101100110
3122200001212100011
433013021331212
51004401042204
641054040434
76166001224
oct1707117546
9580055304
10253534054
11120127984
1270aa911a
13406ac167
1425959b14
15173d1304
hexf1c9f66

253534054 has 16 divisors (see below), whose sum is σ = 383846400. Its totient is φ = 125589384.

The previous prime is 253534049. The next prime is 253534091. The reversal of 253534054 is 450435352.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 232699 + ... + 233785.

It is an arithmetic number, because the mean of its divisors is an integer number (23990400).

Almost surely, 2253534054 is an apocalyptic number.

253534054 is a deficient number, since it is larger than the sum of its proper divisors (130312346).

253534054 is a wasteful number, since it uses less digits than its factorization.

253534054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 253534054 is about 15922.7527142765. The cubic root of 253534054 is about 632.9150657173.

The spelling of 253534054 in words is "two hundred fifty-three million, five hundred thirty-four thousand, fifty-four".

Divisors: 1 2 139 278 839 1087 1678 2174 116621 151093 233242 302186 911993 1823986 126767027 253534054