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98253121 = 641153281
BaseRepresentation
bin1011101101100…
…11100101000001
320211212202221111
411312303211001
5200123044441
613425523321
72302065151
oct566634501
9224782844
1098253121
115050902a
1228aa3541
1317481655
14d098761
15895c081
hex5db3941

98253121 has 4 divisors (see below), whose sum is σ = 98407044. Its totient is φ = 98099200.

The previous prime is 98253119. The next prime is 98253157. The reversal of 98253121 is 12135289.

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

It can be written as a sum of positive squares in 2 ways, for example, as 93993025 + 4260096 = 9695^2 + 2064^2 .

It is a cyclic number.

It is not a de Polignac number, because 98253121 - 21 = 98253119 is a prime.

It is a Smith number, since the sum of its digits (31) 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 (98253191) 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, 76000 + ... + 77281.

It is an arithmetic number, because the mean of its divisors is an integer number (24601761).

Almost surely, 298253121 is an apocalyptic number.

It is an amenable number.

98253121 is a deficient number, since it is larger than the sum of its proper divisors (153923).

98253121 is a wasteful number, since it uses less digits than its factorization.

98253121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153922.

The product of its digits is 4320, while the sum is 31.

The square root of 98253121 is about 9912.2712331736. The cubic root of 98253121 is about 461.4402261276.

The spelling of 98253121 in words is "ninety-eight million, two hundred fifty-three thousand, one hundred twenty-one".

Divisors: 1 641 153281 98253121