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1513372420 = 225719599643
BaseRepresentation
bin101101000110100…
…0011101100000100
310220110200021200101
41122031003230010
511044410404140
6410100453444
752334311330
oct13215035404
93813607611
101513372420
1170729410a
123629aa284
131b16c4b51
14104dc47c0
158ccdb99a
hex5a343b04

1513372420 has 96 divisors (see below), whose sum is σ = 3888460800. Its totient is φ = 483179904.

The previous prime is 1513372403. The next prime is 1513372433. The reversal of 1513372420 is 242733151.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152119 + ... + 161761.

It is an arithmetic number, because the mean of its divisors is an integer number (40504800).

Almost surely, 21513372420 is an apocalyptic number.

1513372420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1513372420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1944230400).

1513372420 is an abundant number, since it is smaller than the sum of its proper divisors (2375088380).

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

1513372420 is a wasteful number, since it uses less digits than its factorization.

1513372420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9737 (or 9735 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1513372420 is about 38902.0876046518. The cubic root of 1513372420 is about 1148.1058725054.

The spelling of 1513372420 in words is "one billion, five hundred thirteen million, three hundred seventy-two thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 59 70 76 95 118 133 140 190 236 266 295 380 413 532 590 665 826 1121 1180 1330 1652 2065 2242 2660 4130 4484 5605 7847 8260 9643 11210 15694 19286 22420 31388 38572 39235 48215 67501 78470 96430 135002 156940 183217 192860 270004 337505 366434 568937 675010 732868 916085 1137874 1282519 1350020 1832170 2275748 2565038 2844685 3664340 3982559 5130076 5689370 6412595 7965118 10809803 11378740 12825190 15930236 19912795 21619606 25650380 39825590 43239212 54049015 75668621 79651180 108098030 151337242 216196060 302674484 378343105 756686210 1513372420