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159712 = 2572331
BaseRepresentation
bin100110111111100000
322010002021
4212333200
520102322
63231224
71233430
oct467740
9263067
10159712
11a9aa3
1278514
1357907
14422c0
15324c7
hex26fe0

159712 has 48 divisors (see below), whose sum is σ = 387072. Its totient is φ = 63360.

The previous prime is 159707. The next prime is 159721. The reversal of 159712 is 217951.

Its product of digits (630) is a multiple of the sum of its prime divisors (63).

It is a congruent number.

It is an unprimeable number.

159712 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5137 + ... + 5167.

It is an arithmetic number, because the mean of its divisors is an integer number (8064).

2159712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193536).

159712 is an abundant number, since it is smaller than the sum of its proper divisors (227360).

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

159712 is a wasteful number, since it uses less digits than its factorization.

159712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 63 counting only the distinct ones).

The product of its digits is 630, while the sum is 25.

The square root of 159712 is about 399.6398378540. The cubic root of 159712 is about 54.2557597571.

The spelling of 159712 in words is "one hundred fifty-nine thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 14 16 23 28 31 32 46 56 62 92 112 124 161 184 217 224 248 322 368 434 496 644 713 736 868 992 1288 1426 1736 2576 2852 3472 4991 5152 5704 6944 9982 11408 19964 22816 39928 79856 159712