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159985212 = 223101132001
BaseRepresentation
bin10011000100100…
…10111000111100
3102011001002110020
421202102320330
5311424011322
623513012140
73651565122
oct1142227074
9364032406
10159985212
1182342292
12456b4050
13271b6b0a
1417367912
15e0a305c
hex9892e3c

159985212 has 24 divisors (see below), whose sum is σ = 376997712. Its totient is φ = 52800000.

The previous prime is 159985211. The next prime is 159985219. The reversal of 159985212 is 212589951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159985211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64789 + ... + 67212.

It is an arithmetic number, because the mean of its divisors is an integer number (15708238).

Almost surely, 2159985212 is an apocalyptic number.

159985212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

159985212 is an abundant number, since it is smaller than the sum of its proper divisors (217012500).

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

159985212 is a wasteful number, since it uses less digits than its factorization.

159985212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132109 (or 132107 counting only the distinct ones).

The product of its digits is 64800, while the sum is 42.

The square root of 159985212 is about 12648.5260801407. The cubic root of 159985212 is about 542.8667974671.

The spelling of 159985212 in words is "one hundred fifty-nine million, nine hundred eighty-five thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 101 202 303 404 606 1212 132001 264002 396003 528004 792006 1584012 13332101 26664202 39996303 53328404 79992606 159985212