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331502252 = 22130763409
BaseRepresentation
bin10011110000100…
…101001010101100
3212002210001121012
4103300211022230
51134331033002
652521124352
711133502604
oct2360451254
9762701535
10331502252
11160140604
12930296b8
13538aa7a3
1432053c04
151e182d52
hex13c252ac

331502252 has 12 divisors (see below), whose sum is σ = 580581960. Its totient is φ = 165621696.

The previous prime is 331502209. The next prime is 331502273. The reversal of 331502252 is 252205133.

331502252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26477 + ... + 36932.

It is an arithmetic number, because the mean of its divisors is an integer number (48381830).

Almost surely, 2331502252 is an apocalyptic number.

It is an amenable number.

331502252 is a deficient number, since it is larger than the sum of its proper divisors (249079708).

331502252 is a wasteful number, since it uses less digits than its factorization.

331502252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64720 (or 64718 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 331502252 is about 18207.2032997932. The cubic root of 331502252 is about 692.0893416007.

Adding to 331502252 its reverse (252205133), we get a palindrome (583707385).

The spelling of 331502252 in words is "three hundred thirty-one million, five hundred two thousand, two hundred fifty-two".

Divisors: 1 2 4 1307 2614 5228 63409 126818 253636 82875563 165751126 331502252