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380976620 = 22519048831
BaseRepresentation
bin10110101101010…
…011110111101100
3222112212121200012
4112231103313230
51240012222440
6101445352352
712304151003
oct2655236754
9875777605
10380976620
11186062412
12a77086b8
1360c1086b
1438851c3a
15236a6e65
hex16b53dec

380976620 has 12 divisors (see below), whose sum is σ = 800050944. Its totient is φ = 152390640.

The previous prime is 380976601. The next prime is 380976637. The reversal of 380976620 is 26679083.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9524396 + ... + 9524435.

It is an arithmetic number, because the mean of its divisors is an integer number (66670912).

Almost surely, 2380976620 is an apocalyptic number.

It is an amenable number.

380976620 is an abundant number, since it is smaller than the sum of its proper divisors (419074324).

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

380976620 is a wasteful number, since it uses less digits than its factorization.

380976620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19048840 (or 19048838 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 380976620 is about 19518.6223899127. The cubic root of 380976620 is about 724.9356232969.

The spelling of 380976620 in words is "three hundred eighty million, nine hundred seventy-six thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 19048831 38097662 76195324 95244155 190488310 380976620