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253352801 = 13231371307
BaseRepresentation
bin11110001100111…
…01101101100001
3122122201122201002
433012131231201
51004324242201
641050121345
76164314622
oct1706355541
9578648632
10253352801
11120013789
1270a20255
1340647800
142590da49
151739776b
hexf19db61

253352801 has 24 divisors (see below), whose sum is σ = 291066624. Its totient is φ = 220034880.

The previous prime is 253352789. The next prime is 253352807. The reversal of 253352801 is 108253352.

It is not a de Polignac number, because 253352801 - 218 = 253090657 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253352807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193190 + ... + 194496.

It is an arithmetic number, because the mean of its divisors is an integer number (12127776).

Almost surely, 2253352801 is an apocalyptic number.

It is an amenable number.

253352801 is a deficient number, since it is larger than the sum of its proper divisors (37713823).

253352801 is a wasteful number, since it uses less digits than its factorization.

253352801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1388 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 253352801 is about 15917.0600614561. The cubic root of 253352801 is about 632.7642048488.

The spelling of 253352801 in words is "two hundred fifty-three million, three hundred fifty-two thousand, eight hundred one".

Divisors: 1 13 31 37 169 403 481 1147 1307 5239 6253 14911 16991 40517 48359 193843 220883 526721 628667 1499129 6847373 8172671 19488677 253352801