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98139873 = 31323372957
BaseRepresentation
bin1011101100101…
…11111011100001
320211200000121010
411312113323201
5200110433443
613423251133
72301114036
oct566277341
9224600533
1098139873
1150440a37
1228a49aa9
1317441c40
14d06938d
158938733
hex5d97ee1

98139873 has 32 divisors (see below), whose sum is σ = 151070976. Its totient is φ = 56187648.

The previous prime is 98139851. The next prime is 98139907. The reversal of 98139873 is 37893189.

It is not a de Polignac number, because 98139873 - 25 = 98139841 is a prime.

It is a super-2 number, since 2×981398732 = 19262869344912258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (98139823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31711 + ... + 34667.

It is an arithmetic number, because the mean of its divisors is an integer number (4720968).

Almost surely, 298139873 is an apocalyptic number.

It is an amenable number.

98139873 is a deficient number, since it is larger than the sum of its proper divisors (52931103).

98139873 is a wasteful number, since it uses less digits than its factorization.

98139873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033.

The product of its digits is 326592, while the sum is 48.

The square root of 98139873 is about 9906.5570709505. The cubic root of 98139873 is about 461.2628703601.

The spelling of 98139873 in words is "ninety-eight million, one hundred thirty-nine thousand, eight hundred seventy-three".

Divisors: 1 3 13 23 37 39 69 111 299 481 851 897 1443 2553 2957 8871 11063 33189 38441 68011 109409 115323 204033 328227 884143 1422317 2516407 2652429 4266951 7549221 32713291 98139873