Search a number
-
+
152585225 = 52133712689
BaseRepresentation
bin10010001100001…
…00010000001001
3101122010010120122
421012010100021
5303030211400
623050233025
73531644612
oct1106042011
9348103518
10152585225
11791485a1
1243125775
13257c5820
141639cc09
15d5e0685
hex9184409

152585225 has 24 divisors (see below), whose sum is σ = 209283480. Its totient is φ = 109624320.

The previous prime is 152585207. The next prime is 152585227. The reversal of 152585225 is 522585251.

It can be written as a sum of positive squares in 12 ways, for example, as 67059721 + 85525504 = 8189^2 + 9248^2 .

It is not a de Polignac number, because 152585225 - 26 = 152585161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152585227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5681 + ... + 18369.

It is an arithmetic number, because the mean of its divisors is an integer number (8720145).

Almost surely, 2152585225 is an apocalyptic number.

It is an amenable number.

152585225 is a deficient number, since it is larger than the sum of its proper divisors (56698255).

152585225 is a wasteful number, since it uses less digits than its factorization.

152585225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12749 (or 12744 counting only the distinct ones).

The product of its digits is 40000, while the sum is 35.

The square root of 152585225 is about 12352.5392126477. The cubic root of 152585225 is about 534.3643716181.

The spelling of 152585225 in words is "one hundred fifty-two million, five hundred eighty-five thousand, two hundred twenty-five".

Divisors: 1 5 13 25 37 65 185 325 481 925 2405 12025 12689 63445 164957 317225 469493 824785 2347465 4123925 6103409 11737325 30517045 152585225