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716839420 = 2251110132261
BaseRepresentation
bin101010101110100…
…001100111111100
31211221212012211011
4222232201213330
52432002330140
6155044205004
723523014563
oct5256414774
91757765734
10716839420
11338701080
12180099764
13b568704b
146b2bcbda
1542debcea
hex2aba19fc

716839420 has 48 divisors (see below), whose sum is σ = 1658524896. Its totient is φ = 258080000.

The previous prime is 716839399. The next prime is 716839421. The reversal of 716839420 is 24938617.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716839421) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6090 + ... + 38350.

It is an arithmetic number, because the mean of its divisors is an integer number (34552602).

Almost surely, 2716839420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 716839420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829262448).

716839420 is an abundant number, since it is smaller than the sum of its proper divisors (941685476).

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

716839420 is a wasteful number, since it uses less digits than its factorization.

716839420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32382 (or 32380 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 716839420 is about 26773.8570250907. The cubic root of 716839420 is about 894.9675591375.

The spelling of 716839420 in words is "seven hundred sixteen million, eight hundred thirty-nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 101 110 202 220 404 505 1010 1111 2020 2222 4444 5555 11110 22220 32261 64522 129044 161305 322610 354871 645220 709742 1419484 1774355 3258361 3548710 6516722 7097420 13033444 16291805 32583610 35841971 65167220 71683942 143367884 179209855 358419710 716839420