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159885050 = 25213245977
BaseRepresentation
bin10011000011110…
…10011011111010
3102010212000001112
421201322123322
5311412310200
623510520322
73651000113
oct1141723372
9363760045
10159885050
1182284006
12456660a2
1327180350
141733d20a
15e083535
hex987a6fa

159885050 has 24 divisors (see below), whose sum is σ = 320263356. Its totient is φ = 59034240.

The previous prime is 159885049. The next prime is 159885067. The reversal of 159885050 is 50588951.

It can be written as a sum of positive squares in 6 ways, for example, as 21893041 + 137992009 = 4679^2 + 11747^2 .

It is a junction number, because it is equal to n+sod(n) for n = 159884989 and 159885007.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122339 + ... + 123638.

Almost surely, 2159885050 is an apocalyptic number.

159885050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159885050 is an abundant number, since it is smaller than the sum of its proper divisors (160378306).

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

159885050 is a wasteful number, since it uses less digits than its factorization.

159885050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246002 (or 245997 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 41.

The square root of 159885050 is about 12644.5660265586. The cubic root of 159885050 is about 542.7534828783.

The spelling of 159885050 in words is "one hundred fifty-nine million, eight hundred eighty-five thousand, fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 245977 491954 1229885 2459770 3197701 6149425 6395402 12298850 15988505 31977010 79942525 159885050