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1152345331 = 3793040489
BaseRepresentation
bin100010010101111…
…0110010011110011
32222022100012121201
41010223312103303
54330000022311
6310202432031
740361526244
oct10453662363
92868305551
101152345331
11541518115
12281b02617
1315497a757
14ad086ccb
156b2759c1
hex44af64f3

1152345331 has 4 divisors (see below), whose sum is σ = 1155386200. Its totient is φ = 1149304464.

The previous prime is 1152345317. The next prime is 1152345349. The reversal of 1152345331 is 1335432511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1152345331 - 221 = 1150248179 is a prime.

It is a super-2 number, since 2×11523453312 = 2655799523754999122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1152345331.

It is not an unprimeable number, because it can be changed into a prime (1152345371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1519866 + ... + 1520623.

It is an arithmetic number, because the mean of its divisors is an integer number (288846550).

Almost surely, 21152345331 is an apocalyptic number.

1152345331 is a deficient number, since it is larger than the sum of its proper divisors (3040869).

1152345331 is an equidigital number, since it uses as much as digits as its factorization.

1152345331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040868.

The product of its digits is 5400, while the sum is 28.

The square root of 1152345331 is about 33946.2123218482. The cubic root of 1152345331 is about 1048.4012952796.

Adding to 1152345331 its reverse (1335432511), we get a palindrome (2487777842).

The spelling of 1152345331 in words is "one billion, one hundred fifty-two million, three hundred forty-five thousand, three hundred thirty-one".

Divisors: 1 379 3040489 1152345331