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357071379 = 3722429057
BaseRepresentation
bin10101010010000…
…111101000010011
3220212220002211220
4111102013220103
51212402241004
655233140123
711564025300
oct2522075023
9825802756
10357071379
11173615015
129b6ba643
1358c90a52
14355cc0a7
1521533dd9
hex15487a13

357071379 has 12 divisors (see below), whose sum is σ = 553825224. Its totient is φ = 204040704.

The previous prime is 357071371. The next prime is 357071387. The reversal of 357071379 is 973170753.

It is an interprime number because it is at equal distance from previous prime (357071371) and next prime (357071387).

It is not a de Polignac number, because 357071379 - 23 = 357071371 is a prime.

It is a super-3 number, since 3×3570713793 (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 357071379.

It is not an unprimeable number, because it can be changed into a prime (357071371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1214382 + ... + 1214675.

It is an arithmetic number, because the mean of its divisors is an integer number (46152102).

Almost surely, 2357071379 is an apocalyptic number.

357071379 is a deficient number, since it is larger than the sum of its proper divisors (196753845).

357071379 is a wasteful number, since it uses less digits than its factorization.

357071379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429074 (or 2429067 counting only the distinct ones).

The product of its (nonzero) digits is 138915, while the sum is 42.

The square root of 357071379 is about 18896.3324219278. The cubic root of 357071379 is about 709.4443705543. Note that the first 3 decimals are identical.

The spelling of 357071379 in words is "three hundred fifty-seven million, seventy-one thousand, three hundred seventy-nine".

Divisors: 1 3 7 21 49 147 2429057 7287171 17003399 51010197 119023793 357071379