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389416312 = 23232116393
BaseRepresentation
bin10111001101100…
…000010101111000
31000010202101202101
4113031200111320
51244142310222
6102350313144
712435661345
oct2715402570
91003671671
10389416312
1118a8a726a
12aa4b87b4
13628a716c
1439a0b7cc
15242c2927
hex17360578

389416312 has 16 divisors (see below), whose sum is σ = 761901840. Its totient is φ = 186242496.

The previous prime is 389416309. The next prime is 389416333. The reversal of 389416312 is 213614983.

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, 1058013 + ... + 1058380.

It is an arithmetic number, because the mean of its divisors is an integer number (47618865).

Almost surely, 2389416312 is an apocalyptic number.

It is an amenable number.

389416312 is a deficient number, since it is larger than the sum of its proper divisors (372485528).

389416312 is a wasteful number, since it uses less digits than its factorization.

389416312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116422 (or 2116418 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 389416312 is about 19733.6340292405. The cubic root of 389416312 is about 730.2496875282.

The spelling of 389416312 in words is "three hundred eighty-nine million, four hundred sixteen thousand, three hundred twelve".

Divisors: 1 2 4 8 23 46 92 184 2116393 4232786 8465572 16931144 48677039 97354078 194708156 389416312