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395380964 = 221137242863
BaseRepresentation
bin10111100100010…
…000100011100100
31000112222102201102
4113210100203210
51302204142324
6103122215232
712540453116
oct2744204344
91015872642
10395380964
11193200630
12b04b4518
1363bb5044
143a7213b6
1524a9edae
hex179108e4

395380964 has 24 divisors (see below), whose sum is σ = 775221888. Its totient is φ = 174860640.

The previous prime is 395380957. The next prime is 395380969. The reversal of 395380964 is 469083593.

It is a super-2 number, since 2×3953809642 = 312652213387138592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (395380969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119804 + ... + 123059.

It is an arithmetic number, because the mean of its divisors is an integer number (32300912).

Almost surely, 2395380964 is an apocalyptic number.

It is an amenable number.

395380964 is a deficient number, since it is larger than the sum of its proper divisors (379840924).

395380964 is a wasteful number, since it uses less digits than its factorization.

395380964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242915 (or 242913 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 395380964 is about 19884.1887941148. The cubic root of 395380964 is about 733.9592000427.

The spelling of 395380964 in words is "three hundred ninety-five million, three hundred eighty thousand, nine hundred sixty-four".

Divisors: 1 2 4 11 22 37 44 74 148 407 814 1628 242863 485726 971452 2671493 5342986 8985931 10685972 17971862 35943724 98845241 197690482 395380964