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252314481 = 384104827
BaseRepresentation
bin11110000101000…
…00001101110001
3122120202220101210
433002200031301
51004043030411
641011550333
76152431506
oct1702401561
9576686353
10252314481
1111a474671
12705bb3a9
1340373013
142571d4ad
151723eca6
hexf0a0371

252314481 has 4 divisors (see below), whose sum is σ = 336419312. Its totient is φ = 168209652.

The previous prime is 252314473. The next prime is 252314501. The reversal of 252314481 is 184413252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 252314481 - 23 = 252314473 is a prime.

It is a super-2 number, since 2×2523144812 = 127325194644598722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252314441) 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, 42052411 + ... + 42052416.

It is an arithmetic number, because the mean of its divisors is an integer number (84104828).

Almost surely, 2252314481 is an apocalyptic number.

It is an amenable number.

252314481 is a deficient number, since it is larger than the sum of its proper divisors (84104831).

252314481 is an equidigital number, since it uses as much as digits as its factorization.

252314481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84104830.

The product of its digits is 7680, while the sum is 30.

The square root of 252314481 is about 15884.4099984859. The cubic root of 252314481 is about 631.8985985702.

The spelling of 252314481 in words is "two hundred fifty-two million, three hundred fourteen thousand, four hundred eighty-one".

Divisors: 1 3 84104827 252314481