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98899189 = 187152859
BaseRepresentation
bin1011110010100…
…01010011110101
320220002121011221
411321101103311
5200304233224
613451430341
72310425554
oct571212365
9226077157
1098899189
115090a474
12291553b1
131764973c
14d1c5d9b
158a386e4
hex5e514f5

98899189 has 4 divisors (see below), whose sum is σ = 98953920. Its totient is φ = 98844460.

The previous prime is 98899127. The next prime is 98899201. The reversal of 98899189 is 98199889.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98199889 = 157625477.

It is a cyclic number.

It is not a de Polignac number, because 98899189 - 27 = 98899061 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 (98899289) 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, 24559 + ... + 28300.

It is an arithmetic number, because the mean of its divisors is an integer number (24738480).

Almost surely, 298899189 is an apocalyptic number.

It is an amenable number.

98899189 is a deficient number, since it is larger than the sum of its proper divisors (54731).

98899189 is a wasteful number, since it uses less digits than its factorization.

98899189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54730.

The product of its digits is 3359232, while the sum is 61.

The square root of 98899189 is about 9944.8071373959. The cubic root of 98899189 is about 462.4494246133.

The spelling of 98899189 in words is "ninety-eight million, eight hundred ninety-nine thousand, one hundred eighty-nine".

Divisors: 1 1871 52859 98899189