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385600728 = 23316066697
BaseRepresentation
bin10110111110111…
…100110011011000
3222212120112202110
4112332330303120
51242203210403
6102132432320
712361360242
oct2676746330
9885515673
10385600728
11188730597
12a91786a0
1361b6c516
14392d7092
1523cbc103
hex16fbccd8

385600728 has 16 divisors (see below), whose sum is σ = 964001880. Its totient is φ = 128533568.

The previous prime is 385600711. The next prime is 385600757. The reversal of 385600728 is 827006583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8033325 + ... + 8033372.

Almost surely, 2385600728 is an apocalyptic number.

It is an amenable number.

385600728 is an abundant number, since it is smaller than the sum of its proper divisors (578401152).

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

385600728 is a wasteful number, since it uses less digits than its factorization.

385600728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16066706 (or 16066702 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 385600728 is about 19636.7188705242. The cubic root of 385600728 is about 727.8568077666.

The spelling of 385600728 in words is "three hundred eighty-five million, six hundred thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 16066697 32133394 48200091 64266788 96400182 128533576 192800364 385600728