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152240089 = 374114597
BaseRepresentation
bin10010001001011…
…11111111011001
3101121110121010211
421010233333121
5302433140324
623035011121
73526006441
oct1104577731
9347417124
10152240089
1178a32261
1242b99aa1
13257046c1
141630d121
15d573294
hex912ffd9

152240089 has 4 divisors (see below), whose sum is σ = 156354724. Its totient is φ = 148125456.

The previous prime is 152240069. The next prime is 152240129. The reversal of 152240089 is 980042251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73616400 + 78623689 = 8580^2 + 8867^2 .

It is a cyclic number.

It is not a de Polignac number, because 152240089 - 25 = 152240057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152240089.

It is not an unprimeable number, because it can be changed into a prime (152240029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2057262 + ... + 2057335.

It is an arithmetic number, because the mean of its divisors is an integer number (39088681).

Almost surely, 2152240089 is an apocalyptic number.

It is an amenable number.

152240089 is a deficient number, since it is larger than the sum of its proper divisors (4114635).

152240089 is an equidigital number, since it uses as much as digits as its factorization.

152240089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114634.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 152240089 is about 12338.5610587297. The cubic root of 152240089 is about 533.9611704759.

The spelling of 152240089 in words is "one hundred fifty-two million, two hundred forty thousand, eighty-nine".

Divisors: 1 37 4114597 152240089