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159945306 = 23193145259
BaseRepresentation
bin10011000100010…
…01001001011010
3102010222001201020
421202021021122
5311421222211
623512103310
73651340563
oct1142111132
9363861636
10159945306
1182315304
1245694b36
13271a18c1
141735716a
15e096306
hex988925a

159945306 has 32 divisors (see below), whose sum is σ = 347596800. Its totient is φ = 48878640.

The previous prime is 159945259. The next prime is 159945307. The reversal of 159945306 is 603549951.

It is a super-2 number, since 2×1599453062 = 51165001822867272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (159945307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19096 + ... + 26163.

It is an arithmetic number, because the mean of its divisors is an integer number (10862400).

Almost surely, 2159945306 is an apocalyptic number.

159945306 is an abundant number, since it is smaller than the sum of its proper divisors (187651494).

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

159945306 is a wasteful number, since it uses less digits than its factorization.

159945306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45314.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 159945306 is about 12646.9484857020. The cubic root of 159945306 is about 542.8216569536.

The spelling of 159945306 in words is "one hundred fifty-nine million, nine hundred forty-five thousand, three hundred six".

Divisors: 1 2 3 6 19 31 38 57 62 93 114 186 589 1178 1767 3534 45259 90518 135777 271554 859921 1403029 1719842 2579763 2806058 4209087 5159526 8418174 26657551 53315102 79972653 159945306