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253870101 = 32105126839
BaseRepresentation
bin11110010000111…
…00000000010101
3122200200221022100
433020130000111
51004442320401
641105152313
76201601032
oct1710340025
9580627270
10253870101
11120337401
127102b699
13407990c4
1425a06389
151744ab86
hexf21c015

253870101 has 12 divisors (see below), whose sum is σ = 367063840. Its totient is φ = 169079400.

The previous prime is 253870093. The next prime is 253870103. The reversal of 253870101 is 101078352.

It is not a de Polignac number, because 253870101 - 23 = 253870093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253870103) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 3961 + ... + 22878.

Almost surely, 2253870101 is an apocalyptic number.

It is an amenable number.

253870101 is a deficient number, since it is larger than the sum of its proper divisors (113193739).

253870101 is a wasteful number, since it uses less digits than its factorization.

253870101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27896 (or 27893 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 253870101 is about 15933.3016352544. The cubic root of 253870101 is about 633.1945749260.

The spelling of 253870101 in words is "two hundred fifty-three million, eight hundred seventy thousand, one hundred one".

Divisors: 1 3 9 1051 3153 9459 26839 80517 241551 28207789 84623367 253870101