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715142028 = 22364392683
BaseRepresentation
bin101010101000000…
…011001110001100
31211211122222102210
4222220003032030
52431034021103
6154543550420
723502415116
oct5250031614
91754588383
10715142028
11337751877
1217b5bb410
13b5211583
146ad9a3b6
1542bb3e03
hex2aa0338c

715142028 has 24 divisors (see below), whose sum is σ = 1671277888. Its totient is φ = 238007376.

The previous prime is 715142023. The next prime is 715142047. The reversal of 715142028 is 820241517.

It is a super-2 number, since 2×7151420282 = 1022856240423905568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 715141986 and 715142004.

It is not an unprimeable number, because it can be changed into a prime (715142023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38626 + ... + 54057.

Almost surely, 2715142028 is an apocalyptic number.

It is an amenable number.

715142028 is an abundant number, since it is smaller than the sum of its proper divisors (956135860).

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

715142028 is a wasteful number, since it uses less digits than its factorization.

715142028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93333 (or 93331 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 715142028 is about 26742.1395553909. The cubic root of 715142028 is about 894.2606079765.

The spelling of 715142028 in words is "seven hundred fifteen million, one hundred forty-two thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 643 1286 1929 2572 3858 7716 92683 185366 278049 370732 556098 1112196 59595169 119190338 178785507 238380676 357571014 715142028