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324147680 = 2552025923
BaseRepresentation
bin10011010100100…
…001100111100000
3211120221102000122
4103110201213200
51130440211210
652055335412
711014131653
oct2324414740
9746842018
10324147680
11156a77a4a
1290681568
135220407c
143109b89a
151d6cdb55
hex135219e0

324147680 has 24 divisors (see below), whose sum is σ = 765799272. Its totient is φ = 129659008.

The previous prime is 324147661. The next prime is 324147727. The reversal of 324147680 is 86741423.

It is a self number, because there is not a number n which added to its sum of digits gives 324147680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012802 + ... + 1013121.

It is an arithmetic number, because the mean of its divisors is an integer number (31908303).

Almost surely, 2324147680 is an apocalyptic number.

It is an amenable number.

324147680 is an abundant number, since it is smaller than the sum of its proper divisors (441651592).

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

324147680 is a wasteful number, since it uses less digits than its factorization.

324147680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025938 (or 2025930 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 324147680 is about 18004.1017548780. The cubic root of 324147680 is about 686.9328823969.

The spelling of 324147680 in words is "three hundred twenty-four million, one hundred forty-seven thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 2025923 4051846 8103692 10129615 16207384 20259230 32414768 40518460 64829536 81036920 162073840 324147680