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98972093 = 118997463
BaseRepresentation
bin1011110011000…
…11000110111101
320220020022012002
411321203012331
5200314101333
613453152045
72311151243
oct571430675
9226208162
1098972093
115095a220
122918b625
131767398c
14d204793
158a500e8
hex5e631bd

98972093 has 4 divisors (see below), whose sum is σ = 107969568. Its totient is φ = 89974620.

The previous prime is 98972063. The next prime is 98972117. The reversal of 98972093 is 39027989.

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 98972093 - 212 = 98967997 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 (98972063) 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, 4498721 + ... + 4498742.

It is an arithmetic number, because the mean of its divisors is an integer number (26992392).

Almost surely, 298972093 is an apocalyptic number.

It is an amenable number.

98972093 is a deficient number, since it is larger than the sum of its proper divisors (8997475).

98972093 is a wasteful number, since it uses less digits than its factorization.

98972093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8997474.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 98972093 is about 9948.4718927079. The cubic root of 98972093 is about 462.5630289558.

The spelling of 98972093 in words is "ninety-eight million, nine hundred seventy-two thousand, ninety-three".

Divisors: 1 11 8997463 98972093