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98139982 = 256986239
BaseRepresentation
bin1011101100101…
…11111101001110
320211200000202011
411312113331032
5200110434412
613423251434
72301114253
oct566277516
9224600664
1098139982
1150441026
1228a49b7a
1317441cc5
14d06942a
1589387a7
hex5d97f4e

98139982 has 8 divisors (see below), whose sum is σ = 147470400. Its totient is φ = 48983184.

The previous prime is 98139971. The next prime is 98139989. The reversal of 98139982 is 28993189.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98139989) 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, 41982 + ... + 44257.

It is an arithmetic number, because the mean of its divisors is an integer number (18433800).

Almost surely, 298139982 is an apocalyptic number.

98139982 is a deficient number, since it is larger than the sum of its proper divisors (49330418).

98139982 is a wasteful number, since it uses less digits than its factorization.

98139982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86810.

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

The square root of 98139982 is about 9906.5625723558. The cubic root of 98139982 is about 461.2630411287.

The spelling of 98139982 in words is "ninety-eight million, one hundred thirty-nine thousand, nine hundred eighty-two".

Divisors: 1 2 569 1138 86239 172478 49069991 98139982