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252045038 = 2718003217
BaseRepresentation
bin11110000010111…
…10011011101110
3122120021012210102
433001132123232
51004010420123
641002111102
76150230120
oct1701363356
9576235712
10252045038
1111a300193
12704ab492
13402aa49b
142568d210
15171da028
hexf05e6ee

252045038 has 8 divisors (see below), whose sum is σ = 432077232. Its totient is φ = 108019296.

The previous prime is 252045011. The next prime is 252045113. The reversal of 252045038 is 830540252.

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

It is a self number, because there is not a number n which added to its sum of digits gives 252045038.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9001595 + ... + 9001622.

It is an arithmetic number, because the mean of its divisors is an integer number (54009654).

Almost surely, 2252045038 is an apocalyptic number.

252045038 is a deficient number, since it is larger than the sum of its proper divisors (180032194).

252045038 is a wasteful number, since it uses less digits than its factorization.

252045038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18003226.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 252045038 is about 15875.9263666723. The cubic root of 252045038 is about 631.6735866516.

The spelling of 252045038 in words is "two hundred fifty-two million, forty-five thousand, thirty-eight".

Divisors: 1 2 7 14 18003217 36006434 126022519 252045038