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810350157 = 3270116719
BaseRepresentation
bin110000010011001…
…111011001001101
32002110211001102210
4300103033121031
53124422201112
6212224341033
726036601621
oct6023173115
92073731383
10810350157
11386470081
121a7474779
13cbb67c46
14798a1181
154b21db3c
hex304cf64d

810350157 has 4 divisors (see below), whose sum is σ = 1080466880. Its totient is φ = 540233436.

The previous prime is 810350153. The next prime is 810350159. The reversal of 810350157 is 751053018.

810350157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 810350157 - 22 = 810350153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810350153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135058357 + ... + 135058362.

It is an arithmetic number, because the mean of its divisors is an integer number (270116720).

Almost surely, 2810350157 is an apocalyptic number.

It is an amenable number.

810350157 is a deficient number, since it is larger than the sum of its proper divisors (270116723).

810350157 is a wasteful number, since it uses less digits than its factorization.

810350157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270116722.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 810350157 is about 28466.6499082699. The cubic root of 810350157 is about 932.3040557947.

The spelling of 810350157 in words is "eight hundred ten million, three hundred fifty thousand, one hundred fifty-seven".

Divisors: 1 3 270116719 810350157