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380630184 = 233112131071
BaseRepresentation
bin10110101011111…
…111010010101000
3222112020000110020
4112223333102220
51234420131214
6101434120440
712301205664
oct2653772250
9875200406
10380630184
11185946100
12a7580120
1360b1bc7c
14387a18a4
15236394a9
hex16aff4a8

380630184 has 48 divisors (see below), whose sum is σ = 1045954560. Its totient is φ = 115341600.

The previous prime is 380630177. The next prime is 380630203. The reversal of 380630184 is 481036083.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 62632 + ... + 68439.

It is an arithmetic number, because the mean of its divisors is an integer number (21790720).

Almost surely, 2380630184 is an apocalyptic number.

It is an amenable number.

380630184 is an abundant number, since it is smaller than the sum of its proper divisors (665324376).

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

380630184 is a wasteful number, since it uses less digits than its factorization.

380630184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131102 (or 131087 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 380630184 is about 19509.7458722557. The cubic root of 380630184 is about 724.7158198167.

The spelling of 380630184 in words is "three hundred eighty million, six hundred thirty thousand, one hundred eighty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 121 132 242 264 363 484 726 968 1452 2904 131071 262142 393213 524284 786426 1048568 1441781 1572852 2883562 3145704 4325343 5767124 8650686 11534248 15859591 17301372 31719182 34602744 47578773 63438364 95157546 126876728 190315092 380630184