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385978032 = 243211243673
BaseRepresentation
bin10111000000011…
…000111010110000
3222220021201022200
4113000120322300
51242302244112
6102144503200
712364521246
oct2700307260
9886251280
10385978032
11188969010
12a931ab00
1361c7218b
1439394796
1523d43cdc
hex17018eb0

385978032 has 60 divisors (see below), whose sum is σ = 1178407464. Its totient is φ = 116962560.

The previous prime is 385978003. The next prime is 385978037. The reversal of 385978032 is 230879583.

It is not an unprimeable number, because it can be changed into a prime (385978037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120253 + ... + 123420.

Almost surely, 2385978032 is an apocalyptic number.

It is an amenable number.

385978032 is an abundant number, since it is smaller than the sum of its proper divisors (792429432).

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

385978032 is a wasteful number, since it uses less digits than its factorization.

385978032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243698 (or 243689 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 385978032 is about 19646.3236255540. The cubic root of 385978032 is about 728.0941290355.

The spelling of 385978032 in words is "three hundred eighty-five million, nine hundred seventy-eight thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 132 144 176 198 264 396 528 792 1584 243673 487346 731019 974692 1462038 1949384 2193057 2680403 2924076 3898768 4386114 5360806 5848152 8041209 8772228 10721612 11696304 16082418 17544456 21443224 24123627 32164836 35088912 42886448 48247254 64329672 96494508 128659344 192989016 385978032