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716937940 = 225172108641
BaseRepresentation
bin101010101110111…
…001101011010100
31211222001012222001
4222232321223110
52432014003230
6155050245044
723523605035
oct5256715324
91758035861
10716937940
113387690a4
12180126784
13b56bcb44
146b306a8c
1542e1b0ca
hex2abb9ad4

716937940 has 24 divisors (see below), whose sum is σ = 1594133352. Its totient is φ = 269905920.

The previous prime is 716937917. The next prime is 716937967. The reversal of 716937940 is 49739617.

It can be written as a sum of positive squares in 4 ways, for example, as 105760656 + 611177284 = 10284^2 + 24722^2 .

It is a super-2 number, since 2×7169379402 = 1028000019622887200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1053981 + ... + 1054660.

It is an arithmetic number, because the mean of its divisors is an integer number (66422223).

Almost surely, 2716937940 is an apocalyptic number.

It is an amenable number.

716937940 is an abundant number, since it is smaller than the sum of its proper divisors (877195412).

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

716937940 is a wasteful number, since it uses less digits than its factorization.

716937940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108667 (or 2108665 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 716937940 is about 26775.6968163295. The cubic root of 716937940 is about 895.0085577035.

The spelling of 716937940 in words is "seven hundred sixteen million, nine hundred thirty-seven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 2108641 4217282 8434564 10543205 21086410 35846897 42172820 71693794 143387588 179234485 358468970 716937940