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98879045 = 544472
BaseRepresentation
bin1011110010011…
…00011001000101
320220001120112212
411321030121011
5200303112140
613451153205
72310313046
oct571143105
9226046485
1098879045
11508a6321
1229145805
1317640515
14d1bc8cd
158a32765
hex5e4c645

98879045 has 6 divisors (see below), whose sum is σ = 118681542. Its totient is φ = 79085448.

The previous prime is 98879041. The next prime is 98879107. The reversal of 98879045 is 54097889.

It can be written as a sum of positive squares in only one way, i.e., 79103236 + 19775809 = 8894^2 + 4447^2 .

It is not a de Polignac number, because 98879045 - 22 = 98879041 is a prime.

It is a super-2 number, since 2×988790452 = 19554131080224050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98878984 and 98879002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98879041) 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, 20012 + ... + 24458.

It is an arithmetic number, because the mean of its divisors is an integer number (19780257).

Almost surely, 298879045 is an apocalyptic number.

It is an amenable number.

98879045 is a deficient number, since it is larger than the sum of its proper divisors (19802497).

98879045 is an frugal number, since it uses more digits than its factorization.

98879045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8899 (or 4452 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 98879045 is about 9943.7942959416. The cubic root of 98879045 is about 462.4180249162.

The spelling of 98879045 in words is "ninety-eight million, eight hundred seventy-nine thousand, forty-five".

Divisors: 1 5 4447 22235 19775809 98879045