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1513243407 = 31322984701
BaseRepresentation
bin101101000110010…
…0100001100001111
310220110102201201010
41122030210030033
511044342242112
6410054020303
752333233234
oct13214441417
93813381633
101513243407
11707206195
12362947693
131b167b200
14104d8d78b
158ccb363c
hex5a32430f

1513243407 has 12 divisors (see below), whose sum is σ = 2184801864. Its totient is φ = 931226400.

The previous prime is 1513243397. The next prime is 1513243411. The reversal of 1513243407 is 7043423151.

It is a happy number.

It is not a de Polignac number, because 1513243407 - 26 = 1513243343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513243447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1491844 + ... + 1492857.

It is an arithmetic number, because the mean of its divisors is an integer number (182066822).

Almost surely, 21513243407 is an apocalyptic number.

1513243407 is a deficient number, since it is larger than the sum of its proper divisors (671558457).

1513243407 is a wasteful number, since it uses less digits than its factorization.

1513243407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984730 (or 2984717 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1513243407 is about 38900.4293935170. The cubic root of 1513243407 is about 1148.0732467419.

Adding to 1513243407 its reverse (7043423151), we get a palindrome (8556666558).

The spelling of 1513243407 in words is "one billion, five hundred thirteen million, two hundred forty-three thousand, four hundred seven".

Divisors: 1 3 13 39 169 507 2984701 8954103 38801113 116403339 504414469 1513243407