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394086930 = 23513136231
BaseRepresentation
bin10111011111010…
…100101000010010
31000110112200122020
4113133110220102
51301341240210
6103034352310
712523453326
oct2737245022
91013480566
10394086930
111924a7386
12abb8b696
1363851043
143a4a5986
15248e6770
hex177d4a12

394086930 has 16 divisors (see below), whose sum is σ = 945808704. Its totient is φ = 105089840.

The previous prime is 394086871. The next prime is 394086943. The reversal of 394086930 is 39680493.

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, 6568086 + ... + 6568145.

It is an arithmetic number, because the mean of its divisors is an integer number (59113044).

Almost surely, 2394086930 is an apocalyptic number.

394086930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

394086930 is an abundant number, since it is smaller than the sum of its proper divisors (551721774).

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

394086930 is a wasteful number, since it uses less digits than its factorization.

394086930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13136241.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 394086930 is about 19851.6228555753. The cubic root of 394086930 is about 733.1576050470.

The spelling of 394086930 in words is "three hundred ninety-four million, eighty-six thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 13136231 26272462 39408693 65681155 78817386 131362310 197043465 394086930