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252662045 = 558138693
BaseRepresentation
bin11110000111101…
…01000100011101
3122121102120011112
433003311010131
51004140141140
641023231405
76155410016
oct1703650435
9577376145
10252662045
1111a691809
1270748565
134046528c
14257b000d
15172acc65
hexf0f511d

252662045 has 8 divisors (see below), whose sum is σ = 303281496. Its totient is φ = 202071616.

The previous prime is 252662029. The next prime is 252662087. The reversal of 252662045 is 540266252.

It can be written as a sum of positive squares in 4 ways, for example, as 5134756 + 247527289 = 2266^2 + 15733^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 252662045 - 24 = 252662029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24719 + ... + 33411.

It is an arithmetic number, because the mean of its divisors is an integer number (37910187).

Almost surely, 2252662045 is an apocalyptic number.

It is an amenable number.

252662045 is a deficient number, since it is larger than the sum of its proper divisors (50619451).

252662045 is an equidigital number, since it uses as much as digits as its factorization.

252662045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14511.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 252662045 is about 15895.3466461100. The cubic root of 252662045 is about 632.1886128887.

The spelling of 252662045 in words is "two hundred fifty-two million, six hundred sixty-two thousand, forty-five".

Divisors: 1 5 5813 8693 29065 43465 50532409 252662045