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BaseRepresentation
bin100101010001101101
321202110000
4211101231
514341220
63134513
71204101
oct452155
9252400
10152685
11a4795
1274439
1354660
143d901
1530390
hex2546d

152685 has 40 divisors (see below), whose sum is σ = 304920. Its totient is φ = 72576.

The previous prime is 152681. The next prime is 152717. The reversal of 152685 is 586251.

152685 = 202 + 212 + ... + 772.

152685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2916 + 149769 = 54^2 + 387^2 .

It is not a de Polignac number, because 152685 - 22 = 152681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (2400) is a multiple of the sum of its prime divisors (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152681) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5251 + ... + 5279.

It is an arithmetic number, because the mean of its divisors is an integer number (7623).

152685 is a Friedman number, since it can be written as 585*261, using all its digits and the basic arithmetic operations.

It is a vampire number, since it can be written as 261585 (with its own digits).

2152685 is an apocalyptic number.

152685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152685 is a deficient number, since it is larger than the sum of its proper divisors (152235).

152685 is a wasteful number, since it uses less digits than its factorization.

152685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59 (or 50 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 152685 is about 390.7492802297. The cubic root of 152685 is about 53.4480819302.

The spelling of 152685 in words is "one hundred fifty-two thousand, six hundred eighty-five".