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380562940 = 225291673929
BaseRepresentation
bin10110101011101…
…110110111111100
3222112002121012201
4112223232313330
51234411003230
6101432441244
712300505642
oct2653566774
9875077181
10380562940
111858aa62a
12a7549224
1360ac7494
1438785192
15236245ca
hex16aeedfc

380562940 has 48 divisors (see below), whose sum is σ = 831902400. Its totient is φ = 146058752.

The previous prime is 380562893. The next prime is 380562961. The reversal of 380562940 is 49265083.

It is a self number, because there is not a number n which added to its sum of digits gives 380562940.

It is a congruent number.

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, 94896 + ... + 98824.

It is an arithmetic number, because the mean of its divisors is an integer number (17331300).

Almost surely, 2380562940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380562940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415951200).

380562940 is an abundant number, since it is smaller than the sum of its proper divisors (451339460).

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

380562940 is a wasteful number, since it uses less digits than its factorization.

380562940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134 (or 4132 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 380562940 is about 19508.0224523143. The cubic root of 380562940 is about 724.6731400165.

The spelling of 380562940 in words is "three hundred eighty million, five hundred sixty-two thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 167 290 334 580 668 835 1670 3340 3929 4843 7858 9686 15716 19372 19645 24215 39290 48430 78580 96860 113941 227882 455764 569705 656143 1139410 1312286 2278820 2624572 3280715 6561430 13122860 19028147 38056294 76112588 95140735 190281470 380562940