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152409 = 3101503
BaseRepresentation
bin100101001101011001
321202001210
4211031121
514334114
63133333
71203225
oct451531
9252053
10152409
11a4564
1274249
13544aa
143d785
1530259
hex25359

152409 has 8 divisors (see below), whose sum is σ = 205632. Its totient is φ = 100400.

The previous prime is 152407. The next prime is 152417. The reversal of 152409 is 904251.

152409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152409 - 21 = 152407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52 + ... + 554.

It is an arithmetic number, because the mean of its divisors is an integer number (25704).

2152409 is an apocalyptic number.

It is an amenable number.

152409 is a deficient number, since it is larger than the sum of its proper divisors (53223).

152409 is a wasteful number, since it uses less digits than its factorization.

152409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 152409 is about 390.3959528479. The cubic root of 152409 is about 53.4158574853.

It can be divided in two parts, 152 and 409, that added together give a triangular number (561 = T33).

The spelling of 152409 in words is "one hundred fifty-two thousand, four hundred nine".

Divisors: 1 3 101 303 503 1509 50803 152409