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152015411 = 178942083
BaseRepresentation
bin10010000111110…
…01001000110011
3101121001011221102
421003321020303
5302403443121
623030115015
73524052422
oct1103711063
9347034842
10152015411
1178899479
1242aaba6b
1325656362
14162912b9
15d52b90b
hex90f9233

152015411 has 4 divisors (see below), whose sum is σ = 160957512. Its totient is φ = 143073312.

The previous prime is 152015399. The next prime is 152015443. The reversal of 152015411 is 114510251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114510251 = 161970729.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-152015411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152012411) 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, 4471025 + ... + 4471058.

It is an arithmetic number, because the mean of its divisors is an integer number (40239378).

Almost surely, 2152015411 is an apocalyptic number.

152015411 is a deficient number, since it is larger than the sum of its proper divisors (8942101).

152015411 is an equidigital number, since it uses as much as digits as its factorization.

152015411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8942100.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 152015411 is about 12329.4529886772. The cubic root of 152015411 is about 533.6983654234.

Adding to 152015411 its reverse (114510251), we get a palindrome (266525662).

The spelling of 152015411 in words is "one hundred fifty-two million, fifteen thousand, four hundred eleven".

Divisors: 1 17 8942083 152015411