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1345913488 = 241971127491
BaseRepresentation
bin101000000111001…
…0000001010010000
310110210120111012201
41100032100022100
510224023212423
6341315332544
745232035013
oct12016201220
93423514181
101345913488
116308077a7
123168b1154
13185ac231a
14caa7337a
157d25e2ad
hex50390290

1345913488 has 80 divisors (see below), whose sum is σ = 2811248640. Its totient is φ = 622339200.

The previous prime is 1345913473. The next prime is 1345913501. The reversal of 1345913488 is 8843195431.

It is a super-2 number, since 2×13459134882 = 3622966234360652288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2740923 + ... + 2741413.

It is an arithmetic number, because the mean of its divisors is an integer number (35140608).

Almost surely, 21345913488 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 1345913488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405624320).

1345913488 is an abundant number, since it is smaller than the sum of its proper divisors (1465335152).

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

1345913488 is a wasteful number, since it uses less digits than its factorization.

1345913488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 710 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 1345913488 is about 36686.6936095364. The cubic root of 1345913488 is about 1104.0931492152.

The spelling of 1345913488 in words is "one billion, three hundred forty-five million, nine hundred thirteen thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 19 38 71 76 127 142 152 254 284 304 491 508 568 982 1016 1136 1349 1964 2032 2413 2698 3928 4826 5396 7856 9017 9329 9652 10792 18034 18658 19304 21584 34861 36068 37316 38608 62357 69722 72136 74632 124714 139444 144272 149264 171323 249428 278888 342646 498856 557776 662359 685292 997712 1184783 1324718 1370584 2369566 2649436 2741168 4427347 4739132 5298872 8854694 9478264 10597744 17709388 18956528 35418776 70837552 84119593 168239186 336478372 672956744 1345913488