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98486131 = 787712503
BaseRepresentation
bin1011101111011…
…00011101110011
320212022121120111
411313230131303
5200203024011
613434522151
72304055402
oct567543563
9225277514
1098486131
11506580a7
1228b96357
1317533723
14d119639
1589a6121
hex5dec773

98486131 has 4 divisors (see below), whose sum is σ = 98506512. Its totient is φ = 98465752.

The previous prime is 98486123. The next prime is 98486173. The reversal of 98486131 is 13168489.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98486131 - 23 = 98486123 is a prime.

It is a super-2 number, since 2×984861312 = 19399035998698322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98486111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1626 + ... + 14128.

It is an arithmetic number, because the mean of its divisors is an integer number (24626628).

Almost surely, 298486131 is an apocalyptic number.

98486131 is the 6277-th centered pentagonal number.

98486131 is a deficient number, since it is larger than the sum of its proper divisors (20381).

98486131 is a wasteful number, since it uses less digits than its factorization.

98486131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20380.

The product of its digits is 41472, while the sum is 40.

The square root of 98486131 is about 9924.0178859170. The cubic root of 98486131 is about 461.8047109131.

The spelling of 98486131 in words is "ninety-eight million, four hundred eighty-six thousand, one hundred thirty-one".

Divisors: 1 7877 12503 98486131