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714901621 = 7214589829
BaseRepresentation
bin101010100111001…
…000100001110101
31211211012202122211
4222213020201311
52431003322441
6154534453421
723500364200
oct5247104165
91754182584
10714901621
113375a8195
1217b504271
13b5159015
146ad36937
1542b67a81
hex2a9c8875

714901621 has 6 divisors (see below), whose sum is σ = 831620310. Its totient is φ = 612772776.

The previous prime is 714901559. The next prime is 714901637. The reversal of 714901621 is 126109417.

It can be written as a sum of positive squares in only one way, i.e., 591024721 + 123876900 = 24311^2 + 11130^2 .

It is not a de Polignac number, because 714901621 - 211 = 714899573 is a prime.

It is a super-2 number, since 2×7149016212 = 1022168655416855282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (714901021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7294866 + ... + 7294963.

It is an arithmetic number, because the mean of its divisors is an integer number (138603385).

Almost surely, 2714901621 is an apocalyptic number.

It is an amenable number.

714901621 is a deficient number, since it is larger than the sum of its proper divisors (116718689).

714901621 is a wasteful number, since it uses less digits than its factorization.

714901621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14589843 (or 14589836 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 714901621 is about 26737.6442679605. The cubic root of 714901621 is about 894.1603898397.

The spelling of 714901621 in words is "seven hundred fourteen million, nine hundred one thousand, six hundred twenty-one".

Divisors: 1 7 49 14589829 102128803 714901621