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252313753 = 1731458461
BaseRepresentation
bin11110000101000…
…00000010011001
3122120202212101211
433002200002121
51004043020003
641011543121
76152426416
oct1702400231
9576685354
10252313753
1111a47406a
12705baaa1
13403728a3
142571d10d
151723e96d
hexf0a0099

252313753 has 4 divisors (see below), whose sum is σ = 253772388. Its totient is φ = 250855120.

The previous prime is 252313709. The next prime is 252313771. The reversal of 252313753 is 357313252.

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 179774464 + 72539289 = 13408^2 + 8517^2 .

It is a cyclic number.

It is not a de Polignac number, because 252313753 - 29 = 252313241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252313793) 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, 729058 + ... + 729403.

It is an arithmetic number, because the mean of its divisors is an integer number (63443097).

Almost surely, 2252313753 is an apocalyptic number.

It is an amenable number.

252313753 is a deficient number, since it is larger than the sum of its proper divisors (1458635).

252313753 is a wasteful number, since it uses less digits than its factorization.

252313753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458634.

The product of its digits is 18900, while the sum is 31.

The square root of 252313753 is about 15884.3870829189. The cubic root of 252313753 is about 631.8979908331.

The spelling of 252313753 in words is "two hundred fifty-two million, three hundred thirteen thousand, seven hundred fifty-three".

Divisors: 1 173 1458461 252313753