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380979 = 3242331
BaseRepresentation
bin1011101000000110011
3201100121100
41131000303
544142404
612055443
73144504
oct1350063
9640540
10380979
11240265
12164583
13104541
149cbab
1577d39
hex5d033

380979 has 6 divisors (see below), whose sum is σ = 550316. Its totient is φ = 253980.

The previous prime is 380977. The next prime is 380983. The reversal of 380979 is 979083.

It is not a de Polignac number, because 380979 - 21 = 380977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380971) 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, 21157 + ... + 21174.

2380979 is an apocalyptic number.

380979 is a deficient number, since it is larger than the sum of its proper divisors (169337).

380979 is a wasteful number, since it uses less digits than its factorization.

380979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42337 (or 42334 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 380979 is about 617.2349633648. The cubic root of 380979 is about 72.4937132876.

The spelling of 380979 in words is "three hundred eighty thousand, nine hundred seventy-nine".

Divisors: 1 3 9 42331 126993 380979