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253871034 = 2342311839
BaseRepresentation
bin11110010000111…
…00001110111010
3122200200222120220
433020130032322
51004442333114
641105200510
76201603534
oct1710341672
9580628526
10253871034
1112033807a
1271030136
1340799661
1425a06854
151744b0a9
hexf21c3ba

253871034 has 8 divisors (see below), whose sum is σ = 507742080. Its totient is φ = 84623676.

The previous prime is 253870963. The next prime is 253871039. The reversal of 253871034 is 430178352.

It is a sphenic number, since it is the product of 3 distinct primes.

253871034 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 253870986 and 253871004.

It is not an unprimeable number, because it can be changed into a prime (253871039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21155914 + ... + 21155925.

It is an arithmetic number, because the mean of its divisors is an integer number (63467760).

Almost surely, 2253871034 is an apocalyptic number.

253871034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

253871034 is a wasteful number, since it uses less digits than its factorization.

253871034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42311844.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 253871034 is about 15933.3309135284. The cubic root of 253871034 is about 633.1953506112.

The spelling of 253871034 in words is "two hundred fifty-three million, eight hundred seventy-one thousand, thirty-four".

Divisors: 1 2 3 6 42311839 84623678 126935517 253871034