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396013870 = 25725722013
BaseRepresentation
bin10111100110101…
…011000100101110
31000121011120220101
4113212223010232
51302334420440
6103143541314
712546030250
oct2746530456
91017146811
10396013870
111935a309a
12b075a83a
1364077145
143a847cd0
1524b7769a
hex179ab12e

396013870 has 32 divisors (see below), whose sum is σ = 817864128. Its totient is φ = 135241728.

The previous prime is 396013867. The next prime is 396013883. The reversal of 396013870 is 78310693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6984 + ... + 28996.

It is an arithmetic number, because the mean of its divisors is an integer number (25558254).

Almost surely, 2396013870 is an apocalyptic number.

396013870 is an abundant number, since it is smaller than the sum of its proper divisors (421850258).

396013870 is a wasteful number, since it uses less digits than its factorization.

396013870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22284.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 396013870 is about 19900.0972359433. The cubic root of 396013870 is about 734.3506196101.

The spelling of 396013870 in words is "three hundred ninety-six million, thirteen thousand, eight hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 257 514 1285 1799 2570 3598 8995 17990 22013 44026 110065 154091 220130 308182 770455 1540910 5657341 11314682 28286705 39601387 56573410 79202774 198006935 396013870