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1352947344 = 243712913119
BaseRepresentation
bin101000010100100…
…0101011010010000
310111021210211211220
41100221011122100
510232323303334
6342130205040
745345601620
oct12051053220
93437724756
101352947344
11634781401
12319123780
131873b5a78
14cb984880
157db9d449
hex50a45690

1352947344 has 80 divisors (see below), whose sum is σ = 3998791680. Its totient is φ = 386133120.

The previous prime is 1352947339. The next prime is 1352947373. The reversal of 1352947344 is 4437492531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1352947296 and 1352947305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432217 + ... + 435335.

It is an arithmetic number, because the mean of its divisors is an integer number (49984896).

Almost surely, 21352947344 is an apocalyptic number.

1352947344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1352947344 is an abundant number, since it is smaller than the sum of its proper divisors (2645844336).

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

1352947344 is a wasteful number, since it uses less digits than its factorization.

1352947344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428 (or 4422 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 1352947344 is about 36782.4325459859. The cubic root of 1352947344 is about 1106.0131692834.

The spelling of 1352947344 in words is "one billion, three hundred fifty-two million, nine hundred forty-seven thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 1291 2582 3119 3873 5164 6238 7746 9037 9357 10328 12476 15492 18074 18714 20656 21833 24952 27111 30984 36148 37428 43666 49904 54222 61968 65499 72296 74856 87332 108444 130998 144592 149712 174664 216888 261996 349328 433776 523992 1047984 4026629 8053258 12079887 16106516 24159774 28186403 32213032 48319548 56372806 64426064 84559209 96639096 112745612 169118418 193278192 225491224 338236836 450982448 676473672 1352947344