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98933989 = 7211312191
BaseRepresentation
bin1011110010110…
…01110011100101
320220011100220211
411321121303211
5200311341424
613452255421
72310632200
oct571316345
9226140824
1098933989
1150933630
1229171571
131765c52b
14d1d4937
158a43b94
hex5e59ce5

98933989 has 36 divisors (see below), whose sum is σ = 130408704. Its totient is φ = 74214000.

The previous prime is 98933983. The next prime is 98934047.

98933989 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 98933989 - 29 = 98933477 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 (98933983) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 517884 + ... + 518074.

It is an arithmetic number, because the mean of its divisors is an integer number (3622464).

Almost surely, 298933989 is an apocalyptic number.

It is an amenable number.

98933989 is a deficient number, since it is larger than the sum of its proper divisors (31474715).

98933989 is a wasteful number, since it uses less digits than its factorization.

98933989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 240 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 58.

The square root of 98933989 is about 9946.5566403655. The cubic root of 98933989 is about 462.5036594792.

The spelling of 98933989 in words is "ninety-eight million, nine hundred thirty-three thousand, nine hundred eighty-nine".

Divisors: 1 7 11 31 49 77 191 217 341 539 961 1337 1519 2101 2387 5921 6727 9359 10571 14707 16709 41447 47089 65131 73997 102949 183551 290129 455917 517979 1284857 2019061 3191419 8993999 14133427 98933989