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389886896 = 2471092293
BaseRepresentation
bin10111001111010…
…011001110110000
31000011122022021102
4113033103032300
51244302340041
6102404343532
712442661330
oct2717231660
91004568242
10389886896
11190098883
12aa6a4ba8
1362a10409
1439ad10c0
152436709b
hex173d33b0

389886896 has 60 divisors (see below), whose sum is σ = 874287792. Its totient is φ = 164996352.

The previous prime is 389886877. The next prime is 389886911. The reversal of 389886896 is 698688983.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1330526 + ... + 1330818.

Almost surely, 2389886896 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 389886896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437143896).

389886896 is an abundant number, since it is smaller than the sum of its proper divisors (484400896).

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

389886896 is a wasteful number, since it uses less digits than its factorization.

389886896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 411 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 65.

The square root of 389886896 is about 19745.5538286471. The cubic root of 389886896 is about 730.5437220251.

The spelling of 389886896 in words is "three hundred eighty-nine million, eight hundred eighty-six thousand, eight hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 56 109 112 218 293 436 586 763 872 1172 1526 1744 2051 2344 3052 4102 4688 6104 8204 11881 12208 16408 23762 31937 32816 47524 63874 83167 95048 127748 166334 190096 223559 255496 332668 447118 510992 665336 894236 1330672 1788472 3481133 3576944 6962266 13924532 24367931 27849064 48735862 55698128 97471724 194943448 389886896