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152141551 = 178949503
BaseRepresentation
bin10010001000101…
…11111011101111
3101121021120222021
421010113323233
5302422012201
623032531011
73525116242
oct1104277357
9347246867
10152141551
1178975221
1242b50a67
132569b8b3
14162c5259
15d553ea1
hex9117eef

152141551 has 4 divisors (see below), whose sum is σ = 161091072. Its totient is φ = 143192032.

The previous prime is 152141543. The next prime is 152141567. The reversal of 152141551 is 155141251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155141251 = 198165329.

It is a cyclic number.

It is not a de Polignac number, because 152141551 - 23 = 152141543 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 (152141501) 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, 4474735 + ... + 4474768.

It is an arithmetic number, because the mean of its divisors is an integer number (40272768).

Almost surely, 2152141551 is an apocalyptic number.

152141551 is a deficient number, since it is larger than the sum of its proper divisors (8949521).

152141551 is an equidigital number, since it uses as much as digits as its factorization.

152141551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8949520.

The product of its digits is 1000, while the sum is 25.

The square root of 152141551 is about 12334.5673211508. The cubic root of 152141551 is about 533.8459427850.

The spelling of 152141551 in words is "one hundred fifty-two million, one hundred forty-one thousand, five hundred fifty-one".

Divisors: 1 17 8949503 152141551