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1352331620 = 22567616581
BaseRepresentation
bin101000010011010…
…1111000101100100
310111020122120020022
41100212233011210
510232144102440
6342105054312
745340425533
oct12046570544
93436576208
101352331620
116343a0842
12318a87398
1318722b733
14cb86431a
157dacacb5
hex509af164

1352331620 has 12 divisors (see below), whose sum is σ = 2839896444. Its totient is φ = 540932640.

The previous prime is 1352331613. The next prime is 1352331637. The reversal of 1352331620 is 261332531.

1352331620 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 671017216 + 681314404 = 25904^2 + 26102^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1352331620.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33808271 + ... + 33808310.

It is an arithmetic number, because the mean of its divisors is an integer number (236658037).

Almost surely, 21352331620 is an apocalyptic number.

1352331620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1352331620 is an abundant number, since it is smaller than the sum of its proper divisors (1487564824).

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

1352331620 is a wasteful number, since it uses less digits than its factorization.

1352331620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67616590 (or 67616588 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 1352331620 is about 36774.0617827294. The cubic root of 1352331620 is about 1105.8453622634.

The spelling of 1352331620 in words is "one billion, three hundred fifty-two million, three hundred thirty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 67616581 135233162 270466324 338082905 676165810 1352331620