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380832816 = 24371387187
BaseRepresentation
bin10110101100110…
…000110000110000
3222112121022102010
4112230300300300
51234443122231
6101442322520
712303011520
oct2654606060
9875538363
10380832816
11185a74371
12a7659440
1360b90280
1438815680
1523679546
hex16b30c30

380832816 has 80 divisors (see below), whose sum is σ = 1210866944. Its totient is φ = 100438272.

The previous prime is 380832791. The next prime is 380832833. The reversal of 380832816 is 618238083.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39226 + ... + 47961.

Almost surely, 2380832816 is an apocalyptic number.

It is an amenable number.

380832816 is an abundant number, since it is smaller than the sum of its proper divisors (830034128).

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

380832816 is a wasteful number, since it uses less digits than its factorization.

380832816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87218 (or 87212 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 380832816 is about 19514.9382781499. The cubic root of 380832816 is about 724.8444000597.

The spelling of 380832816 in words is "three hundred eighty million, eight hundred thirty-two thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 52 56 78 84 91 104 112 156 168 182 208 273 312 336 364 546 624 728 1092 1456 2184 4368 87187 174374 261561 348748 523122 610309 697496 1046244 1133431 1220618 1394992 1830927 2092488 2266862 2441236 3400293 3661854 4184976 4533724 4882472 6800586 7323708 7934017 9067448 9764944 13601172 14647416 15868034 18134896 23802051 27202344 29294832 31736068 47604102 54404688 63472136 95208204 126944272 190416408 380832816