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152738641 = 1113885331
BaseRepresentation
bin10010001101010…
…01101101010001
3101122101221000201
421012221231101
5303100114031
623053415201
73533154106
oct1106515521
9348357021
10152738641
1179242890
124319a501
132584a5c3
14163dcaad
15d620d61
hex91a9b51

152738641 has 4 divisors (see below), whose sum is σ = 166623984. Its totient is φ = 138853300.

The previous prime is 152738639. The next prime is 152738657. The reversal of 152738641 is 146837251.

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 not a de Polignac number, because 152738641 - 21 = 152738639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152738641.

It is not an unprimeable number, because it can be changed into a prime (152738671) 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, 6942655 + ... + 6942676.

It is an arithmetic number, because the mean of its divisors is an integer number (41655996).

Almost surely, 2152738641 is an apocalyptic number.

152738641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

152738641 is a deficient number, since it is larger than the sum of its proper divisors (13885343).

152738641 is a wasteful number, since it uses less digits than its factorization.

152738641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13885342.

The product of its digits is 40320, while the sum is 37.

The square root of 152738641 is about 12358.7475498126. The cubic root of 152738641 is about 534.5434028979.

The spelling of 152738641 in words is "one hundred fifty-two million, seven hundred thirty-eight thousand, six hundred forty-one".

Divisors: 1 11 13885331 152738641