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98855491 = 722017459
BaseRepresentation
bin1011110010001…
…10101001000011
320220000101020111
411321012221003
5200301333431
613450452151
72310154300
oct571065103
9226011214
1098855491
115088a659
1229134057
1317632897
14d1b40a7
158a2a7b1
hex5e46a43

98855491 has 6 divisors (see below), whose sum is σ = 114995220. Its totient is φ = 84733236.

The previous prime is 98855489. The next prime is 98855507. The reversal of 98855491 is 19455889.

It is not a de Polignac number, because 98855491 - 21 = 98855489 is a prime.

It is a super-3 number, since 3×988554913 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 2017459 = 98855491 / (9 + 8 + 8 + 5 + 5 + 4 + 9 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98855401) 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 5 ways as a sum of consecutive naturals, for example, 1008681 + ... + 1008778.

It is an arithmetic number, because the mean of its divisors is an integer number (19165870).

Almost surely, 298855491 is an apocalyptic number.

98855491 is a deficient number, since it is larger than the sum of its proper divisors (16139729).

98855491 is a wasteful number, since it uses less digits than its factorization.

98855491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017473 (or 2017466 counting only the distinct ones).

The product of its digits is 518400, while the sum is 49.

The square root of 98855491 is about 9942.6098686411. The cubic root of 98855491 is about 462.3813044323.

It can be divided in two parts, 9885 and 5491, that added together give a square (15376 = 1242).

The spelling of 98855491 in words is "ninety-eight million, eight hundred fifty-five thousand, four hundred ninety-one".

Divisors: 1 7 49 2017459 14122213 98855491