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98299381 = 251391631
BaseRepresentation
bin1011101101111…
…10110111110101
320211222010101211
411312332313311
5200131040011
613430521421
72302350055
oct566766765
9224863354
1098299381
115053a864
1228b06271
131749971b
14d0ab565
15896ab21
hex5dbedf5

98299381 has 4 divisors (see below), whose sum is σ = 98691264. Its totient is φ = 97907500.

The previous prime is 98299379. The next prime is 98299393. The reversal of 98299381 is 18399289.

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 98299381 - 21 = 98299379 is a prime.

It is a super-2 number, since 2×982993812 = 19325536609966322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98299681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195565 + ... + 196066.

It is an arithmetic number, because the mean of its divisors is an integer number (24672816).

Almost surely, 298299381 is an apocalyptic number.

It is an amenable number.

98299381 is a deficient number, since it is larger than the sum of its proper divisors (391883).

98299381 is a wasteful number, since it uses less digits than its factorization.

98299381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391882.

The product of its digits is 279936, while the sum is 49.

The square root of 98299381 is about 9914.6044298298. The cubic root of 98299381 is about 461.5126339230.

The spelling of 98299381 in words is "ninety-eight million, two hundred ninety-nine thousand, three hundred eighty-one".

Divisors: 1 251 391631 98299381