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253060258 = 21111502739
BaseRepresentation
bin11110001010101…
…10010010100010
3122122011210102011
433011112102202
51004240412013
641035543134
76161656003
oct1705262242
9578153364
10253060258
1111a933a10
12708baaaa
13405745c9
14258751aa
151733ac3d
hexf1564a2

253060258 has 8 divisors (see below), whose sum is σ = 414098640. Its totient is φ = 115027380.

The previous prime is 253060231. The next prime is 253060261. The reversal of 253060258 is 852060352.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5751348 + ... + 5751391.

It is an arithmetic number, because the mean of its divisors is an integer number (51762330).

Almost surely, 2253060258 is an apocalyptic number.

253060258 is a deficient number, since it is larger than the sum of its proper divisors (161038382).

253060258 is a wasteful number, since it uses less digits than its factorization.

253060258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11502752.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 253060258 is about 15907.8678018143. The cubic root of 253060258 is about 632.5205630022.

The spelling of 253060258 in words is "two hundred fifty-three million, sixty thousand, two hundred fifty-eight".

Divisors: 1 2 11 22 11502739 23005478 126530129 253060258