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152493 = 3114621
BaseRepresentation
bin100101001110101101
321202011220
4211032231
514334433
63133553
71203405
oct451655
9252156
10152493
11a4630
12742b9
1354543
143d805
15302b3

152493 has 8 divisors (see below), whose sum is σ = 221856. Its totient is φ = 92400.

The previous prime is 152461. The next prime is 152501. The reversal of 152493 is 394251.

152493 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.

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

It is not a de Polignac number, because 152493 - 25 = 152461 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 152493.

It is not an unprimeable number, because it can be changed into a prime (152423) 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, 2278 + ... + 2343.

It is an arithmetic number, because the mean of its divisors is an integer number (27732).

2152493 is an apocalyptic number.

It is an amenable number.

152493 is a deficient number, since it is larger than the sum of its proper divisors (69363).

152493 is a wasteful number, since it uses less digits than its factorization.

152493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4635.

The product of its digits is 1080, while the sum is 24.

The square root of 152493 is about 390.5035211109. The cubic root of 152493 is about 53.4256690405.

The spelling of 152493 in words is "one hundred fifty-two thousand, four hundred ninety-three".

Divisors: 1 3 11 33 4621 13863 50831 152493