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389052832 = 2573175479
BaseRepresentation
bin10111001100000…
…111100110100000
31000010001221011011
4113030013212200
51244044142312
6102334430304
712432615550
oct2714074640
91003057134
10389052832
1118a679173
12aa362394
13627aa89c
1439955160
152424eda7
hex173079a0

389052832 has 48 divisors (see below), whose sum is σ = 878290560. Its totient is φ = 166180608.

The previous prime is 389052827. The next prime is 389052847. The reversal of 389052832 is 238250983.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68269 + ... + 73747.

It is an arithmetic number, because the mean of its divisors is an integer number (18297720).

Almost surely, 2389052832 is an apocalyptic number.

389052832 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 389052832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439145280).

389052832 is an abundant number, since it is smaller than the sum of its proper divisors (489237728).

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

389052832 is a wasteful number, since it uses less digits than its factorization.

389052832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5813 (or 5805 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 389052832 is about 19724.4222222097. The cubic root of 389052832 is about 730.0224125226.

The spelling of 389052832 in words is "three hundred eighty-nine million, fifty-two thousand, eight hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 317 634 1268 2219 2536 4438 5072 5479 8876 10144 10958 17752 21916 35504 38353 43832 71008 76706 87664 153412 175328 306824 613648 1227296 1736843 3473686 6947372 12157901 13894744 24315802 27789488 48631604 55578976 97263208 194526416 389052832