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715421902 = 213107257161
BaseRepresentation
bin101010101001000…
…111100011001110
31211212012012100111
4222221013203032
52431122000102
6154553550234
723504662066
oct5251074316
91755165314
10715421902
11337923078
1217b71537a
13b52aba90
146b0303a6
1542c1bcd7
hex2aa478ce

715421902 has 16 divisors (see below), whose sum is σ = 1166486832. Its totient is φ = 327107520.

The previous prime is 715421893. The next prime is 715421911. The reversal of 715421902 is 209124517.

715421902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (715421893) and next prime (715421911).

It is a super-2 number, since 2×7154219022 = 1023656995722595208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125799 + ... + 131362.

It is an arithmetic number, because the mean of its divisors is an integer number (72905427).

Almost surely, 2715421902 is an apocalyptic number.

715421902 is a deficient number, since it is larger than the sum of its proper divisors (451064930).

715421902 is a wasteful number, since it uses less digits than its factorization.

715421902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257283.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 715421902 is about 26747.3718708960. The cubic root of 715421902 is about 894.3772503782.

The spelling of 715421902 in words is "seven hundred fifteen million, four hundred twenty-one thousand, nine hundred two".

Divisors: 1 2 13 26 107 214 1391 2782 257161 514322 3343093 6686186 27516227 55032454 357710951 715421902