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380389344 = 25331127819
BaseRepresentation
bin10110101011000…
…100011111100000
3222111202210002020
4112223010133200
51234334424334
6101425021440
712266153556
oct2653043740
9874683066
10380389344
111857a1165
12a7484880
1360a6646a
143873bbd6
15235dce49
hex16ac47e0

380389344 has 48 divisors (see below), whose sum is σ = 1030740480. Its totient is φ = 122705280.

The previous prime is 380389319. The next prime is 380389357. The reversal of 380389344 is 443983083.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 380389296 and 380389305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60934 + ... + 66885.

It is an arithmetic number, because the mean of its divisors is an integer number (21473760).

Almost surely, 2380389344 is an apocalyptic number.

It is an amenable number.

380389344 is an abundant number, since it is smaller than the sum of its proper divisors (650351136).

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

380389344 is a wasteful number, since it uses less digits than its factorization.

380389344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127863 (or 127855 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 380389344 is about 19503.5725958092. The cubic root of 380389344 is about 724.5629353011.

The spelling of 380389344 in words is "three hundred eighty million, three hundred eighty-nine thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 93 96 124 186 248 372 496 744 992 1488 2976 127819 255638 383457 511276 766914 1022552 1533828 2045104 3067656 3962389 4090208 6135312 7924778 11887167 12270624 15849556 23774334 31699112 47548668 63398224 95097336 126796448 190194672 380389344