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98490031 = 653150827
BaseRepresentation
bin1011101111011…
…01011010101111
320212022210220221
411313231122233
5200203140111
613434552211
72304102643
oct567553257
9225283827
1098490031
1150660022
1228b98667
1317535433
14d11ac23
1589a7371
hex5ded6af

98490031 has 4 divisors (see below), whose sum is σ = 98641512. Its totient is φ = 98338552.

The previous prime is 98490019. The next prime is 98490037. The reversal of 98490031 is 13009489.

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 98490031 - 213 = 98481839 is a prime.

It is a super-2 number, since 2×984900312 = 19400572412761922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98490037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74761 + ... + 76066.

It is an arithmetic number, because the mean of its divisors is an integer number (24660378).

Almost surely, 298490031 is an apocalyptic number.

98490031 is a deficient number, since it is larger than the sum of its proper divisors (151481).

98490031 is a wasteful number, since it uses less digits than its factorization.

98490031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151480.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 98490031 is about 9924.2143769671. The cubic root of 98490031 is about 461.8108065755.

The spelling of 98490031 in words is "ninety-eight million, four hundred ninety thousand, thirty-one".

Divisors: 1 653 150827 98490031