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6401315 = 529131337
BaseRepresentation
bin11000011010110100100011
3110001012221202
4120122310203
53114320230
6345111415
7105260504
oct30326443
913035852
106401315
113682448
12218856b
13143187b
14bc8bab
15866a45
hex61ad23

6401315 has 16 divisors (see below), whose sum is σ = 8030880. Its totient is φ = 4892160.

The previous prime is 6401303. The next prime is 6401327. The reversal of 6401315 is 5131046.

6401315 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6401303) and next prime (6401327).

It is a de Polignac number, because none of the positive numbers 2k-6401315 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18827 + ... + 19163.

It is an arithmetic number, because the mean of its divisors is an integer number (501930).

Almost surely, 26401315 is an apocalyptic number.

6401315 is a deficient number, since it is larger than the sum of its proper divisors (1629565).

6401315 is a wasteful number, since it uses less digits than its factorization.

6401315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 6401315 is about 2530.0820144810. The cubic root of 6401315 is about 185.6762684931.

The spelling of 6401315 in words is "six million, four hundred one thousand, three hundred fifteen".

Divisors: 1 5 29 131 145 337 655 1685 3799 9773 18995 44147 48865 220735 1280263 6401315