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258253153 = 5318126921
BaseRepresentation
bin11110110010010…
…10000101100001
3122222221121201121
433121022011201
51012103100103
641343132241
76254054434
oct1731120541
9588847647
10258253153
11122860464
12725a4081
1341672122
142642781b
1517a146bd
hexf64a161

258253153 has 8 divisors (see below), whose sum is σ = 264589416. Its totient is φ = 251971200.

The previous prime is 258253117. The next prime is 258253211. The reversal of 258253153 is 351352852.

It can be written as a sum of positive squares in 4 ways, for example, as 65820769 + 192432384 = 8113^2 + 13872^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-258253153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258253553) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3868 + ... + 23053.

It is an arithmetic number, because the mean of its divisors is an integer number (33073677).

Almost surely, 2258253153 is an apocalyptic number.

It is an amenable number.

258253153 is a deficient number, since it is larger than the sum of its proper divisors (6336263).

258253153 is a wasteful number, since it uses less digits than its factorization.

258253153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27155.

The product of its digits is 36000, while the sum is 34.

The square root of 258253153 is about 16070.2567807736. The cubic root of 258253153 is about 636.8178245784.

The spelling of 258253153 in words is "two hundred fifty-eight million, two hundred fifty-three thousand, one hundred fifty-three".

Divisors: 1 53 181 9593 26921 1426813 4872701 258253153