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249952001 = 1319227077
BaseRepresentation
bin11101110010111…
…11011100000001
3122102022212200112
432321133130001
51002441431001
640445201105
76123362015
oct1671373401
9572285615
10249952001
11119100702
126b860195
133ca268c0
14252a6545
1516e24cbb
hexee5f701

249952001 has 4 divisors (see below), whose sum is σ = 269179092. Its totient is φ = 230724912.

The previous prime is 249951997. The next prime is 249952013. The reversal of 249952001 is 100259942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110145025 + 139806976 = 10495^2 + 11824^2 .

It is a cyclic number.

It is not a de Polignac number, because 249952001 - 22 = 249951997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (249952091) 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, 9613526 + ... + 9613551.

It is an arithmetic number, because the mean of its divisors is an integer number (67294773).

Almost surely, 2249952001 is an apocalyptic number.

It is an amenable number.

249952001 is a deficient number, since it is larger than the sum of its proper divisors (19227091).

249952001 is a wasteful number, since it uses less digits than its factorization.

249952001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19227090.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 249952001 is about 15809.8703663250. The cubic root of 249952001 is about 629.9202057333.

The spelling of 249952001 in words is "two hundred forty-nine million, nine hundred fifty-two thousand, one".

Divisors: 1 13 19227077 249952001