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402032013 = 3134010671
BaseRepresentation
bin10111111101101…
…000010110001101
31001000111100020120
4113331220112031
51310410011023
6103520535153
712651133665
oct2775502615
91030440216
10402032013
11196a33669
12b27814b9
13653a3486
143b5731a5
15254658e3
hex17f6858d

402032013 has 4 divisors (see below), whose sum is σ = 536042688. Its totient is φ = 268021340.

The previous prime is 402032011. The next prime is 402032021. The reversal of 402032013 is 310230204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402032013 - 21 = 402032011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402031983 and 402032001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402032011) 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, 67005333 + ... + 67005338.

It is an arithmetic number, because the mean of its divisors is an integer number (134010672).

Almost surely, 2402032013 is an apocalyptic number.

It is an amenable number.

402032013 is a deficient number, since it is larger than the sum of its proper divisors (134010675).

402032013 is a wasteful number, since it uses less digits than its factorization.

402032013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134010674.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 402032013 is about 20050.7359715298. The cubic root of 402032013 is about 738.0518595912.

Adding to 402032013 its reverse (310230204), we get a palindrome (712262217).

The spelling of 402032013 in words is "four hundred two million, thirty-two thousand, thirteen".

Divisors: 1 3 134010671 402032013