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716872540 = 22538992143
BaseRepresentation
bin101010101110101…
…001101101011100
31211221220220020211
4222232221231130
52432004410130
6155045022204
723523213256
oct5256515534
91757826224
10716872540
11338723a4a
121800b4964
13b5699147
146b2cacd6
1542e06a2a
hex2aba9b5c

716872540 has 24 divisors (see below), whose sum is σ = 1509318720. Its totient is φ = 286008768.

The previous prime is 716872523. The next prime is 716872561. The reversal of 716872540 is 45278617.

It is a junction number, because it is equal to n+sod(n) for n = 716872493 and 716872502.

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, 38292 + ... + 53851.

It is an arithmetic number, because the mean of its divisors is an integer number (62888280).

Almost surely, 2716872540 is an apocalyptic number.

It is an amenable number.

716872540 is an abundant number, since it is smaller than the sum of its proper divisors (792446180).

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

716872540 is a wasteful number, since it uses less digits than its factorization.

716872540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92541 (or 92539 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 716872540 is about 26774.4755317448. The cubic root of 716872540 is about 894.9813422658.

The spelling of 716872540 in words is "seven hundred sixteen million, eight hundred seventy-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 389 778 1556 1945 3890 7780 92143 184286 368572 460715 921430 1842860 35843627 71687254 143374508 179218135 358436270 716872540