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98309893 = 118937263
BaseRepresentation
bin1011101110000…
…01011100000101
320211222122211011
411313001130011
5200131404033
613431042221
72302422523
oct567013405
9224878734
1098309893
1150547750
1228b10371
13174a1446
14d0b1313
15896dccd
hex5dc1705

98309893 has 4 divisors (see below), whose sum is σ = 107247168. Its totient is φ = 89372620.

The previous prime is 98309873. The next prime is 98309917. The reversal of 98309893 is 39890389.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98309893 - 225 = 64755461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98309833) 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 3 ways as a sum of consecutive naturals, for example, 4468621 + ... + 4468642.

It is an arithmetic number, because the mean of its divisors is an integer number (26811792).

Almost surely, 298309893 is an apocalyptic number.

It is an amenable number.

98309893 is a deficient number, since it is larger than the sum of its proper divisors (8937275).

98309893 is a wasteful number, since it uses less digits than its factorization.

98309893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8937274.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 98309893 is about 9915.1345427079. The cubic root of 98309893 is about 461.5290845111.

The spelling of 98309893 in words is "ninety-eight million, three hundred nine thousand, eight hundred ninety-three".

Divisors: 1 11 8937263 98309893