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1352893531 = 11122990321
BaseRepresentation
bin101000010100011…
…1000010001011011
310111021201010000211
41100220320101123
510232320043111
6342125111551
745345256003
oct12050702133
93437633024
101352893531
11634744a30
123190b85b7
13187397422
14cb96d003
157db8c521
hex50a3845b

1352893531 has 4 divisors (see below), whose sum is σ = 1475883864. Its totient is φ = 1229903200.

The previous prime is 1352893513. The next prime is 1352893559. The reversal of 1352893531 is 1353982531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1353982531 = 11123089321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1352893531 is a prime.

It is a super-2 number, since 2×13528935312 = 3660641812443295922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1352893561) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 61495150 + ... + 61495171.

It is an arithmetic number, because the mean of its divisors is an integer number (368970966).

Almost surely, 21352893531 is an apocalyptic number.

1352893531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1352893531 is a deficient number, since it is larger than the sum of its proper divisors (122990333).

1352893531 is a wasteful number, since it uses less digits than its factorization.

1352893531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122990332.

The product of its digits is 97200, while the sum is 40.

The square root of 1352893531 is about 36781.7010346177. The cubic root of 1352893531 is about 1105.9985053286.

The spelling of 1352893531 in words is "one billion, three hundred fifty-two million, eight hundred ninety-three thousand, five hundred thirty-one".

Divisors: 1 11 122990321 1352893531