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389396112 = 243710710831
BaseRepresentation
bin10111001101011…
…011011010010000
31000010201101001020
4113031123122100
51244141133422
6102350035440
712435545430
oct2715333220
91003641036
10389396112
1118a893076
12aa4a8b80
136289ac01
1439a042c0
15242bb95c
hex1735b690

389396112 has 80 divisors (see below), whose sum is σ = 1160497152. Its totient is φ = 110206080.

The previous prime is 389396099. The next prime is 389396131. The reversal of 389396112 is 211693983.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 30537 + ... + 41367.

Almost surely, 2389396112 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 389396112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580248576).

389396112 is an abundant number, since it is smaller than the sum of its proper divisors (771101040).

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

389396112 is a wasteful number, since it uses less digits than its factorization.

389396112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10956 (or 10950 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 389396112 is about 19733.1222060778. The cubic root of 389396112 is about 730.2370606828.

The spelling of 389396112 in words is "three hundred eighty-nine million, three hundred ninety-six thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 107 112 168 214 321 336 428 642 749 856 1284 1498 1712 2247 2568 2996 4494 5136 5992 8988 10831 11984 17976 21662 32493 35952 43324 64986 75817 86648 129972 151634 173296 227451 259944 303268 454902 519888 606536 909804 1158917 1213072 1819608 2317834 3476751 3639216 4635668 6953502 8112419 9271336 13907004 16224838 18542672 24337257 27814008 32449676 48674514 55628016 64899352 97349028 129798704 194698056 389396112