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159953 = 17972
BaseRepresentation
bin100111000011010001
322010102012
4213003101
520104303
63232305
71234223
oct470321
9263365
10159953
11aa1a2
1278695
1357a61
1442413
15325d8
hex270d1

159953 has 6 divisors (see below), whose sum is σ = 171126. Its totient is φ = 148992.

The previous prime is 159937. The next prime is 159977. The reversal of 159953 is 359951.

It can be written as a sum of positive squares in 3 ways, for example, as 35344 + 124609 = 188^2 + 353^2 .

It is not a de Polignac number, because 159953 - 24 = 159937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1601 + ... + 1697.

It is an arithmetic number, because the mean of its divisors is an integer number (28521).

2159953 is an apocalyptic number.

It is an amenable number.

159953 is a deficient number, since it is larger than the sum of its proper divisors (11173).

159953 is an frugal number, since it uses more digits than its factorization.

159953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 114 counting only the distinct ones).

The product of its digits is 6075, while the sum is 32.

The square root of 159953 is about 399.9412456849. The cubic root of 159953 is about 54.2830360768.

The spelling of 159953 in words is "one hundred fifty-nine thousand, nine hundred fifty-three".

Divisors: 1 17 97 1649 9409 159953