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402030013 = 7115221169
BaseRepresentation
bin10111111101100…
…111110110111101
31001000111020111111
4113331213312331
51310404430023
6103520522021
712651125110
oct2775476675
91030436444
10402030013
11196a32110
12b2780311
13653a25a8
143b572577
152546500d
hex17f67dbd

402030013 has 8 divisors (see below), whose sum is σ = 501232320. Its totient is φ = 313270080.

The previous prime is 402030007. The next prime is 402030023. The reversal of 402030013 is 310030204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402030013 - 29 = 402029501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402029975 and 402030002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402030023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2610508 + ... + 2610661.

It is an arithmetic number, because the mean of its divisors is an integer number (62654040).

Almost surely, 2402030013 is an apocalyptic number.

It is an amenable number.

402030013 is a deficient number, since it is larger than the sum of its proper divisors (99202307).

402030013 is a wasteful number, since it uses less digits than its factorization.

402030013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221187.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 402030013 is about 20050.6860979868. The cubic root of 402030013 is about 738.0506357200.

Adding to 402030013 its reverse (310030204), we get a palindrome (712060217).

The spelling of 402030013 in words is "four hundred two million, thirty thousand, thirteen".

Divisors: 1 7 11 77 5221169 36548183 57432859 402030013