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151442661 = 3731933583
BaseRepresentation
bin10010000011011…
…01010011100101
3101112222002021110
421001231103211
5302232131121
623005535233
73516145536
oct1101552345
9345862243
10151442661
1178538127
1242874519
13254b5756
141618268d
15d466d76
hex906d4e5

151442661 has 16 divisors (see below), whose sum is σ = 205807616. Its totient is φ = 99035136.

The previous prime is 151442653. The next prime is 151442693. The reversal of 151442661 is 166244151.

It is not a de Polignac number, because 151442661 - 23 = 151442653 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 (151442461) 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 15 ways as a sum of consecutive naturals, for example, 40476 + ... + 44058.

It is an arithmetic number, because the mean of its divisors is an integer number (12862976).

Almost surely, 2151442661 is an apocalyptic number.

It is an amenable number.

151442661 is a deficient number, since it is larger than the sum of its proper divisors (54364955).

151442661 is a wasteful number, since it uses less digits than its factorization.

151442661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852.

The product of its digits is 5760, while the sum is 30.

The square root of 151442661 is about 12306.2041670045. The cubic root of 151442661 is about 533.0272482834.

The spelling of 151442661 in words is "one hundred fifty-one million, four hundred forty-two thousand, six hundred sixty-one".

Divisors: 1 3 73 193 219 579 3583 10749 14089 42267 261559 691519 784677 2074557 50480887 151442661