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152998229 = 295275801
BaseRepresentation
bin10010001111010…
…01000101010101
3101122220010010002
421013221011111
5303131420404
623103141045
73535314656
oct1107510525
9348803102
10152998229
11793aa91a
12432a4785
132590b7c7
141646952d
15d672c1e
hex91e9155

152998229 has 4 divisors (see below), whose sum is σ = 158274060. Its totient is φ = 147722400.

The previous prime is 152998217. The next prime is 152998243. The reversal of 152998229 is 922899251.

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 42706225 + 110292004 = 6535^2 + 10502^2 .

It is a cyclic number.

It is not a de Polignac number, because 152998229 - 212 = 152994133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152998129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2637872 + ... + 2637929.

It is an arithmetic number, because the mean of its divisors is an integer number (39568515).

Almost surely, 2152998229 is an apocalyptic number.

It is an amenable number.

152998229 is a deficient number, since it is larger than the sum of its proper divisors (5275831).

152998229 is an equidigital number, since it uses as much as digits as its factorization.

152998229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275830.

The product of its digits is 233280, while the sum is 47.

The square root of 152998229 is about 12369.2452882138. The cubic root of 152998229 is about 534.8460604645.

The spelling of 152998229 in words is "one hundred fifty-two million, nine hundred ninety-eight thousand, two hundred twenty-nine".

Divisors: 1 29 5275801 152998229