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379215147 = 3112432
BaseRepresentation
bin10110100110100…
…101110100101011
3222102120010101110
4112212211310223
51234034341042
6101343521403
712253163343
oct2646456453
9872503343
10379215147
11185069a53
12a6bb9263
1360744b7c
1438513d23
152345a09c
hex169a5d2b

379215147 has 6 divisors (see below), whose sum is σ = 505665172. Its totient is φ = 252787612.

The previous prime is 379215143. The next prime is 379215181. The reversal of 379215147 is 741512973.

It is not a de Polignac number, because 379215147 - 22 = 379215143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (379215143) 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, 28108 + ... + 39350.

Almost surely, 2379215147 is an apocalyptic number.

379215147 is a deficient number, since it is larger than the sum of its proper divisors (126450025).

379215147 is an frugal number, since it uses more digits than its factorization.

379215147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22489 (or 11246 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 379215147 is about 19473.4472294969. The cubic root of 379215147 is about 723.8166328204.

The spelling of 379215147 in words is "three hundred seventy-nine million, two hundred fifteen thousand, one hundred forty-seven".

Divisors: 1 3 11243 33729 126405049 379215147