Search a number
-
+
245901372 = 223238831009
BaseRepresentation
bin11101010100000…
…10100000111100
3122010201002021020
432222002200330
51000422320442
640222304140
76044061423
oct1652024074
9563632236
10245901372
11116894382
126a428050
133bc38c92
14249302ba
15168c49ec
hexea8283c

245901372 has 48 divisors (see below), whose sum is σ = 599988480. Its totient is φ = 78236928.

The previous prime is 245901347. The next prime is 245901373. The reversal of 245901372 is 273109542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245901373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243204 + ... + 244212.

It is an arithmetic number, because the mean of its divisors is an integer number (12499760).

Almost surely, 2245901372 is an apocalyptic number.

It is an amenable number.

245901372 is an abundant number, since it is smaller than the sum of its proper divisors (354087108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245901372 is a wasteful number, since it uses less digits than its factorization.

245901372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922 (or 1920 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 245901372 is about 15681.2426803490. The cubic root of 245901372 is about 626.4989064799.

The spelling of 245901372 in words is "two hundred forty-five million, nine hundred one thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 883 1009 1766 2018 2649 3027 3532 4036 5298 6054 10596 12108 20309 23207 40618 46414 60927 69621 81236 92828 121854 139242 243708 278484 890947 1781894 2672841 3563788 5345682 10691364 20491781 40983562 61475343 81967124 122950686 245901372