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389195004 = 223112948447
BaseRepresentation
bin10111001100101…
…010010011111100
31000010100011011210
4113030222103330
51244113220004
6102341444420
712434050212
oct2714522374
91003304153
10389195004
1118a765a70
12aa410710
136282a503
1439990cb2
152427c089
hex1732a4fc

389195004 has 24 divisors (see below), whose sum is σ = 990678528. Its totient is φ = 117937840.

The previous prime is 389194999. The next prime is 389195017. The reversal of 389195004 is 400591983.

It is a super-2 number, since 2×3891950042 = 302945502277120032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1474092 + ... + 1474355.

It is an arithmetic number, because the mean of its divisors is an integer number (41278272).

Almost surely, 2389195004 is an apocalyptic number.

It is an amenable number.

389195004 is an abundant number, since it is smaller than the sum of its proper divisors (601483524).

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

389195004 is a wasteful number, since it uses less digits than its factorization.

389195004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948465 (or 2948463 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 389195004 is about 19728.0258515646. The cubic root of 389195004 is about 730.1113259879. Note that the first 3 decimals are identical.

The spelling of 389195004 in words is "three hundred eighty-nine million, one hundred ninety-five thousand, four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 2948447 5896894 8845341 11793788 17690682 32432917 35381364 64865834 97298751 129731668 194597502 389195004