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98120872 = 23174117597
BaseRepresentation
bin1011101100100…
…11010010101000
320211122001112101
411312103102220
5200104331442
613423023144
72301004453
oct566232250
9224561471
1098120872
1150428733
1228a3aab4
13174363b5
14d06249a
158932cb7
hex5d934a8

98120872 has 32 divisors (see below), whose sum is σ = 199561320. Its totient is φ = 45045760.

The previous prime is 98120863. The next prime is 98120873. The reversal of 98120872 is 27802189.

It can be written as a sum of positive squares in 4 ways, for example, as 43744996 + 54375876 = 6614^2 + 7374^2 .

It is not an unprimeable number, because it can be changed into a prime (98120873) 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 7 ways as a sum of consecutive naturals, for example, 3223 + ... + 14374.

Almost surely, 298120872 is an apocalyptic number.

It is an amenable number.

98120872 is an abundant number, since it is smaller than the sum of its proper divisors (101440448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98120872 is a wasteful number, since it uses less digits than its factorization.

98120872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17661 (or 17657 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 98120872 is about 9905.5980132448. The cubic root of 98120872 is about 461.2330998525.

The spelling of 98120872 in words is "ninety-eight million, one hundred twenty thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 17 34 41 68 82 136 164 328 697 1394 2788 5576 17597 35194 70388 140776 299149 598298 721477 1196596 1442954 2393192 2885908 5771816 12265109 24530218 49060436 98120872