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99830642 = 249915321
BaseRepresentation
bin1011111001101…
…00101101110010
320221211220220012
411330310231302
5201024040032
613523414522
72321355302
oct574645562
9227756805
1099830642
115139626a
1229524442
13178b46b2
14d389602
158b6e6b2
hex5f34b72

99830642 has 4 divisors (see below), whose sum is σ = 149745966. Its totient is φ = 49915320.

The previous prime is 99830609. The next prime is 99830651. The reversal of 99830642 is 24603899.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53304601 + 46526041 = 7301^2 + 6821^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99830642.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24957659 + ... + 24957662.

Almost surely, 299830642 is an apocalyptic number.

99830642 is a deficient number, since it is larger than the sum of its proper divisors (49915324).

99830642 is a wasteful number, since it uses less digits than its factorization.

99830642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49915323.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 99830642 is about 9991.5285116943. The cubic root of 99830642 is about 463.8967052318.

The spelling of 99830642 in words is "ninety-nine million, eight hundred thirty thousand, six hundred forty-two".

Divisors: 1 2 49915321 99830642