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97473081 = 332491027
BaseRepresentation
bin1011100111101…
…01001000111001
320210102010221010
411303311020321
5144423114311
613401104133
72262336036
oct563651071
9223363833
1097473081
1150025a72
1228788049
131726a5a4
14cd3438d
158855da6
hex5cf5239

97473081 has 4 divisors (see below), whose sum is σ = 129964112. Its totient is φ = 64982052.

The previous prime is 97473049. The next prime is 97473091. The reversal of 97473081 is 18037479.

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 not a de Polignac number, because 97473081 - 25 = 97473049 is a prime.

It is a super-2 number, since 2×974730812 = 19002003039265122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97473001) 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, 16245511 + ... + 16245516.

It is an arithmetic number, because the mean of its divisors is an integer number (32491028).

Almost surely, 297473081 is an apocalyptic number.

It is an amenable number.

97473081 is a deficient number, since it is larger than the sum of its proper divisors (32491031).

97473081 is a wasteful number, since it uses less digits than its factorization.

97473081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32491030.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 97473081 is about 9872.8456384165. The cubic root of 97473081 is about 460.2158423104.

The spelling of 97473081 in words is "ninety-seven million, four hundred seventy-three thousand, eighty-one".

Divisors: 1 3 32491027 97473081