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152885 = 530577
BaseRepresentation
bin100101010100110101
321202201102
4211110311
514343020
63135445
71204505
oct452465
9252642
10152885
11a4957
1274585
1354785
143da05
1530475
hex25535

152885 has 4 divisors (see below), whose sum is σ = 183468. Its totient is φ = 122304.

The previous prime is 152879. The next prime is 152897. The reversal of 152885 is 588251.

152885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 588251 = 1734603.

It can be written as a sum of positive squares in 2 ways, for example, as 54289 + 98596 = 233^2 + 314^2 .

It is a cyclic number.

It is not a de Polignac number, because 152885 - 26 = 152821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15284 + ... + 15293.

It is an arithmetic number, because the mean of its divisors is an integer number (45867).

2152885 is an apocalyptic number.

It is an amenable number.

152885 is a deficient number, since it is larger than the sum of its proper divisors (30583).

152885 is an equidigital number, since it uses as much as digits as its factorization.

152885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30582.

The product of its digits is 3200, while the sum is 29.

The square root of 152885 is about 391.0051150561. The cubic root of 152885 is about 53.4714087193.

The spelling of 152885 in words is "one hundred fifty-two thousand, eight hundred eighty-five".

Divisors: 1 5 30577 152885