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2857460157 = 32317495573
BaseRepresentation
bin1010101001010001…
…0110000110111101
321101010211000102200
42222110112012331
521323002211112
61151313142113
7130545003426
oct25224260675
97333730380
102857460157
111236a64122
12678b5a939
13366cc8136
141d170064d
1511acd9cdc
hexaa5161bd

2857460157 has 6 divisors (see below), whose sum is σ = 4127442462. Its totient is φ = 1904973432.

The previous prime is 2857460129. The next prime is 2857460167. The reversal of 2857460157 is 7510647582.

2857460157 is a `hidden beast` number, since 2 + 8 + 574 + 60 + 15 + 7 = 666.

2857460157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1597281156 + 1260179001 = 39966^2 + 35499^2 .

It is not a de Polignac number, because 2857460157 - 210 = 2857459133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857460167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158747778 + ... + 158747795.

It is an arithmetic number, because the mean of its divisors is an integer number (687907077).

Almost surely, 22857460157 is an apocalyptic number.

It is an amenable number.

2857460157 is a deficient number, since it is larger than the sum of its proper divisors (1269982305).

2857460157 is a wasteful number, since it uses less digits than its factorization.

2857460157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317495579 (or 317495576 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 2857460157 is about 53455.2163684705. The cubic root of 2857460157 is about 1419.0359384033.

The spelling of 2857460157 in words is "two billion, eight hundred fifty-seven million, four hundred sixty thousand, one hundred fifty-seven".

Divisors: 1 3 9 317495573 952486719 2857460157