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380856192 = 2731675939
BaseRepresentation
bin10110101100110…
…110011110000000
3222112122111110220
4112230312132000
51234444344232
6101443023040
712303136623
oct2654663600
9875574426
10380856192
11185a8a992
12a766aa80
1360b9aac2
143881ddba
152368142c
hex16b36780

380856192 has 64 divisors (see below), whose sum is σ = 1017878400. Its totient is φ = 126170624.

The previous prime is 380856191. The next prime is 380856221. The reversal of 380856192 is 291658083.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380856191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61159 + ... + 67097.

It is an arithmetic number, because the mean of its divisors is an integer number (15904350).

Almost surely, 2380856192 is an apocalyptic number.

380856192 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380856192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508939200).

380856192 is an abundant number, since it is smaller than the sum of its proper divisors (637022208).

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

380856192 is a wasteful number, since it uses less digits than its factorization.

380856192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6123 (or 6111 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 380856192 is about 19515.5371947584. The cubic root of 380856192 is about 724.8592303783.

The spelling of 380856192 in words is "three hundred eighty million, eight hundred fifty-six thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 167 192 334 384 501 668 1002 1336 2004 2672 4008 5344 5939 8016 10688 11878 16032 17817 21376 23756 32064 35634 47512 64128 71268 95024 142536 190048 285072 380096 570144 760192 991813 1140288 1983626 2280576 2975439 3967252 5950878 7934504 11901756 15869008 23803512 31738016 47607024 63476032 95214048 126952064 190428096 380856192