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3268974740 = 2251131446449
BaseRepresentation
bin1100001011011000…
…1001100010010100
322102211011010022112
43002312021202110
523143324142430
61300213250152
7144002553413
oct30266114224
98384133275
103268974740
111428284119
12772933958
1340133b7a5
1423022147a
15141ec5195
hexc2d89894

3268974740 has 24 divisors (see below), whose sum is σ = 6925602600. Its totient is φ = 1296017408.

The previous prime is 3268974721. The next prime is 3268974763. The reversal of 3268974740 is 474798623.

It can be written as a sum of positive squares in 4 ways, for example, as 19518724 + 3249456016 = 4418^2 + 57004^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 720965 + ... + 725484.

It is an arithmetic number, because the mean of its divisors is an integer number (288566775).

Almost surely, 23268974740 is an apocalyptic number.

It is an amenable number.

3268974740 is an abundant number, since it is smaller than the sum of its proper divisors (3656627860).

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

3268974740 is a wasteful number, since it uses less digits than its factorization.

3268974740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446571 (or 1446569 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

The square root of 3268974740 is about 57174.9485351758. The cubic root of 3268974740 is about 1484.1251392936.

The spelling of 3268974740 in words is "three billion, two hundred sixty-eight million, nine hundred seventy-four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 1446449 2892898 5785796 7232245 14464490 28928980 163448737 326897474 653794948 817243685 1634487370 3268974740