Search a number
-
+
397310012 = 221131594937
BaseRepresentation
bin10111101011100…
…111100000111100
31000200121102212122
4113223213200330
51303202410022
6103231422112
712563036141
oct2753474074
91020542778
10397310012
111942a8990
12b1084938
136440c0a8
143aaa43c8
1524d31742
hex17ae783c

397310012 has 48 divisors (see below), whose sum is σ = 796400640. Its totient is φ = 171772800.

The previous prime is 397309951. The next prime is 397310021. The reversal of 397310012 is 210013793.

It is a congruent number.

It is an unprimeable number.

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, 78008 + ... + 82944.

It is an arithmetic number, because the mean of its divisors is an integer number (16591680).

Almost surely, 2397310012 is an apocalyptic number.

It is an amenable number.

397310012 is an abundant number, since it is smaller than the sum of its proper divisors (399090628).

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

397310012 is a wasteful number, since it uses less digits than its factorization.

397310012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042 (or 5040 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 397310012 is about 19932.6368551680. The cubic root of 397310012 is about 735.1509166094.

The spelling of 397310012 in words is "three hundred ninety-seven million, three hundred ten thousand, twelve".

Divisors: 1 2 4 11 22 31 44 59 62 118 124 236 341 649 682 1298 1364 1829 2596 3658 4937 7316 9874 19748 20119 40238 54307 80476 108614 153047 217228 291283 306094 582566 612188 1165132 1683517 3204113 3367034 6408226 6734068 9029773 12816452 18059546 36119092 99327503 198655006 397310012