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380877612 = 22331739801
BaseRepresentation
bin10110101100111…
…011101100101100
3222112200120212020
4112230323230230
51240001040422
6101443310140
712303256233
oct2654735454
9875616766
10380877612
11185aa4a95
12a767b350
1360ba778b
1438827b1a
152368795c
hex16b3bb2c

380877612 has 12 divisors (see below), whose sum is σ = 888714456. Its totient is φ = 126959200.

The previous prime is 380877611. The next prime is 380877643. The reversal of 380877612 is 216778083.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (380877611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15869889 + ... + 15869912.

It is an arithmetic number, because the mean of its divisors is an integer number (74059538).

Almost surely, 2380877612 is an apocalyptic number.

It is an amenable number.

380877612 is an abundant number, since it is smaller than the sum of its proper divisors (507836844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

380877612 is a wasteful number, since it uses less digits than its factorization.

380877612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31739808 (or 31739806 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 380877612 is about 19516.0859805444. The cubic root of 380877612 is about 724.8728192289.

The spelling of 380877612 in words is "three hundred eighty million, eight hundred seventy-seven thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 31739801 63479602 95219403 126959204 190438806 380877612