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98018425 = 523920737
BaseRepresentation
bin1011101011110…
…10010001111001
320211102212000001
411311322101321
5200043042200
613420513001
72300100001
oct565722171
9224385001
1098018425
115036876a
12289ab761
13173cb88b
14d037001
15891276a
hex5d7a479

98018425 has 6 divisors (see below), whose sum is σ = 121542878. Its totient is φ = 78414720.

The previous prime is 98018423. The next prime is 98018429. The reversal of 98018425 is 52481089.

It can be written as a sum of positive squares in 3 ways, for example, as 28224 + 97990201 = 168^2 + 9899^2 .

It is not a de Polignac number, because 98018425 - 21 = 98018423 is a prime.

It is a super-2 number, since 2×980184252 = 19215223278961250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98018423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1960344 + ... + 1960393.

Almost surely, 298018425 is an apocalyptic number.

It is an amenable number.

98018425 is a deficient number, since it is larger than the sum of its proper divisors (23524453).

98018425 is a wasteful number, since it uses less digits than its factorization.

98018425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920747 (or 3920742 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 98018425 is about 9900.4254959067. The cubic root of 98018425 is about 461.0725210309.

The spelling of 98018425 in words is "ninety-eight million, eighteen thousand, four hundred twenty-five".

Divisors: 1 5 25 3920737 19603685 98018425