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159242072 = 23114342083
BaseRepresentation
bin10010111110111…
…01011101011000
3102002122100001112
421133131131120
5311231221242
623445035452
73642351413
oct1137353530
9362570045
10159242072
1181984a20
12453b5b88
1326cb67a2
1417212b7a
15dea7c82
hex97dd758

159242072 has 32 divisors (see below), whose sum is σ = 333305280. Its totient is φ = 70697760.

The previous prime is 159242053. The next prime is 159242099. The reversal of 159242072 is 270242951.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17258 + ... + 24825.

It is an arithmetic number, because the mean of its divisors is an integer number (10415790).

Almost surely, 2159242072 is an apocalyptic number.

It is an amenable number.

159242072 is an abundant number, since it is smaller than the sum of its proper divisors (174063208).

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

159242072 is a wasteful number, since it uses less digits than its factorization.

159242072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42143 (or 42139 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 159242072 is about 12619.1153414176. The cubic root of 159242072 is about 542.0249440461.

The spelling of 159242072 in words is "one hundred fifty-nine million, two hundred forty-two thousand, seventy-two".

Divisors: 1 2 4 8 11 22 43 44 86 88 172 344 473 946 1892 3784 42083 84166 168332 336664 462913 925826 1809569 1851652 3619138 3703304 7238276 14476552 19905259 39810518 79621036 159242072