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152452153 = 721778879
BaseRepresentation
bin10010001011000…
…11110000111001
3101121212101001001
421011203300321
5303011432103
623043325001
73530551630
oct1105436071
9347771031
10152452153
1179067617
1243080761
132577a099
1416366517
15d5b601d
hex9163c39

152452153 has 4 divisors (see below), whose sum is σ = 174231040. Its totient is φ = 130673268.

The previous prime is 152452147. The next prime is 152452163. The reversal of 152452153 is 351254251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 351254251 = 1392527009.

It is a cyclic number.

It is not a de Polignac number, because 152452153 - 25 = 152452121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152452163) 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, 10889433 + ... + 10889446.

It is an arithmetic number, because the mean of its divisors is an integer number (43557760).

Almost surely, 2152452153 is an apocalyptic number.

It is an amenable number.

152452153 is a deficient number, since it is larger than the sum of its proper divisors (21778887).

152452153 is an equidigital number, since it uses as much as digits as its factorization.

152452153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21778886.

The product of its digits is 6000, while the sum is 28.

The square root of 152452153 is about 12347.1516148462. The cubic root of 152452153 is about 534.2089838833.

The spelling of 152452153 in words is "one hundred fifty-two million, four hundred fifty-two thousand, one hundred fifty-three".

Divisors: 1 7 21778879 152452153