Search a number
-
+
152481 = 3753137
BaseRepresentation
bin100101001110100001
321202011110
4211032201
514334411
63133533
71203360
oct451641
9252143
10152481
11a461a
12742a9
1354534
143d7d7
15302a6
hex253a1

152481 has 16 divisors (see below), whose sum is σ = 238464. Its totient is φ = 84864.

The previous prime is 152461. The next prime is 152501. The reversal of 152481 is 184251.

It is an interprime number because it is at equal distance from previous prime (152461) and next prime (152501).

It is not a de Polignac number, because 152481 - 26 = 152417 is a prime.

It is a super-2 number, since 2×1524812 = 46500910722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1045 + ... + 1181.

It is an arithmetic number, because the mean of its divisors is an integer number (14904).

2152481 is an apocalyptic number.

It is an amenable number.

152481 is a deficient number, since it is larger than the sum of its proper divisors (85983).

152481 is a wasteful number, since it uses less digits than its factorization.

152481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200.

The product of its digits is 320, while the sum is 21.

The square root of 152481 is about 390.4881560304. The cubic root of 152481 is about 53.4242676104.

The spelling of 152481 in words is "one hundred fifty-two thousand, four hundred eighty-one".

Divisors: 1 3 7 21 53 137 159 371 411 959 1113 2877 7261 21783 50827 152481