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810397107 = 32136926471
BaseRepresentation
bin110000010011011…
…010110110110011
32002110220102211200
4300103122312303
53124430201412
6212225342243
726040155532
oct6023326663
92073812750
10810397107
113864a2383
121a7497983
13cbb83420
14798b4319
154b22c9dc
hex304dadb3

810397107 has 12 divisors (see below), whose sum is σ = 1260617904. Its totient is φ = 498705840.

The previous prime is 810397097. The next prime is 810397109. The reversal of 810397107 is 701793018.

It is not a de Polignac number, because 810397107 - 226 = 743288243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (810397109) 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, 3463119 + ... + 3463352.

It is an arithmetic number, because the mean of its divisors is an integer number (105051492).

Almost surely, 2810397107 is an apocalyptic number.

810397107 is a deficient number, since it is larger than the sum of its proper divisors (450220797).

810397107 is a wasteful number, since it uses less digits than its factorization.

810397107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6926490 (or 6926487 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 810397107 is about 28467.4745455230. The cubic root of 810397107 is about 932.3220606986.

The spelling of 810397107 in words is "eight hundred ten million, three hundred ninety-seven thousand, one hundred seven".

Divisors: 1 3 9 13 39 117 6926471 20779413 62338239 90044123 270132369 810397107