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97574885 = 5149130973
BaseRepresentation
bin1011101000011…
…01111111100101
320210121022120122
411310031333211
5144434344020
613403211325
72263241612
oct564157745
9223538518
1097574885
1150095501
1228816b45
13172a4a25
14cd5d509
158876125
hex5d0dfe5

97574885 has 8 divisors (see below), whose sum is σ = 117876600. Its totient is φ = 77535424.

The previous prime is 97574881. The next prime is 97574903. The reversal of 97574885 is 58847579.

It is a Cunningham number, because it is equal to 98782+1.

It can be written as a sum of positive squares in 4 ways, for example, as 11437924 + 86136961 = 3382^2 + 9281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97574885 - 22 = 97574881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97574881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64742 + ... + 66231.

It is an arithmetic number, because the mean of its divisors is an integer number (14734575).

Almost surely, 297574885 is an apocalyptic number.

It is an amenable number.

97574885 is a deficient number, since it is larger than the sum of its proper divisors (20301715).

97574885 is a wasteful number, since it uses less digits than its factorization.

97574885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131127.

The product of its digits is 2822400, while the sum is 53.

The square root of 97574885 is about 9878.0000506175. Note that the first 4 decimals coincide. The cubic root of 97574885 is about 460.3760079391.

The spelling of 97574885 in words is "ninety-seven million, five hundred seventy-four thousand, eight hundred eighty-five".

Divisors: 1 5 149 745 130973 654865 19514977 97574885