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379485860 = 225131976819
BaseRepresentation
bin10110100111100…
…111111010100100
3222110001212201212
4112213213322210
51234122021420
6101353410552
712255401525
oct2647477244
9873055655
10379485860
11185234386
12a7109a58
136080b160
143858484c
15234b03c5
hex169e7ea4

379485860 has 48 divisors (see below), whose sum is σ = 903403200. Its totient is φ = 132741504.

The previous prime is 379485859. The next prime is 379485863. The reversal of 379485860 is 68584973.

It is a junction number, because it is equal to n+sod(n) for n = 379485799 and 379485808.

It is not an unprimeable number, because it can be changed into a prime (379485863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33470 + ... + 43349.

It is an arithmetic number, because the mean of its divisors is an integer number (18820900).

Almost surely, 2379485860 is an apocalyptic number.

It is an amenable number.

379485860 is an abundant number, since it is smaller than the sum of its proper divisors (523917340).

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

379485860 is a wasteful number, since it uses less digits than its factorization.

379485860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76860 (or 76858 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 379485860 is about 19480.3968132069. The cubic root of 379485860 is about 723.9888305512.

The spelling of 379485860 in words is "three hundred seventy-nine million, four hundred eighty-five thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 65 76 95 130 190 247 260 380 494 988 1235 2470 4940 76819 153638 307276 384095 768190 998647 1459561 1536380 1997294 2919122 3994588 4993235 5838244 7297805 9986470 14595610 18974293 19972940 29191220 37948586 75897172 94871465 189742930 379485860