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98005980 = 223510971489
BaseRepresentation
bin1011101011101…
…11001111011100
320211102012221010
411311313033130
5200042142410
613420335220
72300015502
oct565671734
9224365833
1098005980
115035a386
12289a4510
13173c6007
14d032672
15890dc20
hex5d773dc

98005980 has 48 divisors (see below), whose sum is σ = 274851360. Its totient is φ = 26093568.

The previous prime is 98005961. The next prime is 98005991. The reversal of 98005980 is 8950089.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65076 + ... + 66564.

It is an arithmetic number, because the mean of its divisors is an integer number (5726070).

Almost surely, 298005980 is an apocalyptic number.

It is an amenable number.

98005980 is an abundant number, since it is smaller than the sum of its proper divisors (176845380).

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

98005980 is a wasteful number, since it uses less digits than its factorization.

98005980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598 (or 2596 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 98005980 is about 9899.7969676150. The cubic root of 98005980 is about 461.0530067053.

The spelling of 98005980 in words is "ninety-eight million, five thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1097 1489 2194 2978 3291 4388 4467 5485 5956 6582 7445 8934 10970 13164 14890 16455 17868 21940 22335 29780 32910 44670 65820 89340 1633433 3266866 4900299 6533732 8167165 9800598 16334330 19601196 24501495 32668660 49002990 98005980