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98109901 = 198362213
BaseRepresentation
bin1011101100100…
…00100111001101
320211121111111001
411312100213031
5200104004101
613422500301
72300630461
oct566204715
9224544431
1098109901
115042046a
1228a34691
13174313c6
14d05c4a1
15892e901
hex5d909cd

98109901 has 8 divisors (see below), whose sum is σ = 104519520. Its totient is φ = 91824912.

The previous prime is 98109827. The next prime is 98109931. The reversal of 98109901 is 10990189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98109901 - 211 = 98107853 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 (98109931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29530 + ... + 32683.

It is an arithmetic number, because the mean of its divisors is an integer number (13064940).

Almost surely, 298109901 is an apocalyptic number.

98109901 is the 6265-th centered pentagonal number.

It is an amenable number.

98109901 is a deficient number, since it is larger than the sum of its proper divisors (6409619).

98109901 is a wasteful number, since it uses less digits than its factorization.

98109901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62315.

The product of its (nonzero) digits is 5832, while the sum is 37.

The square root of 98109901 is about 9905.0442199922. The cubic root of 98109901 is about 461.2159088892.

The spelling of 98109901 in words is "ninety-eight million, one hundred nine thousand, nine hundred one".

Divisors: 1 19 83 1577 62213 1182047 5163679 98109901