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152628641 = 1113875331
BaseRepresentation
bin10010001100011…
…10110110100001
3101122012100010122
421012032312201
5303033104031
623051210025
73532215314
oct1106166641
9348170118
10152628641
1179178180
1243146915
132580c509
14163b097b
15d5ed47b
hex918eda1

152628641 has 4 divisors (see below), whose sum is σ = 166503984. Its totient is φ = 138753300.

The previous prime is 152628569. The next prime is 152628643. The reversal of 152628641 is 146826251.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-152628641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (152628643) 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, 6937655 + ... + 6937676.

It is an arithmetic number, because the mean of its divisors is an integer number (41625996).

Almost surely, 2152628641 is an apocalyptic number.

152628641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

152628641 is a deficient number, since it is larger than the sum of its proper divisors (13875343).

152628641 is a wasteful number, since it uses less digits than its factorization.

152628641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13875342.

The product of its digits is 23040, while the sum is 35.

The square root of 152628641 is about 12354.2964591271. The cubic root of 152628641 is about 534.4150487910.

Multiplying 152628641 by its sum of digits (35), we get a palindrome (5342002435).

The spelling of 152628641 in words is "one hundred fifty-two million, six hundred twenty-eight thousand, six hundred forty-one".

Divisors: 1 11 13875331 152628641