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97807093 = 383255371
BaseRepresentation
bin1011101010001…
…10101011110101
320211001010002221
411311012223311
5200014311333
613412202341
72265226606
oct565065365
9224033087
1097807093
1150233a0a
12289093b1
1317356627
14cdbddad
1588bed2d
hex5d46af5

97807093 has 4 divisors (see below), whose sum is σ = 98062848. Its totient is φ = 97551340.

The previous prime is 97807091. The next prime is 97807097. The reversal of 97807093 is 39070879.

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 97807093 - 21 = 97807091 is a prime.

It is a super-2 number, since 2×978070932 = 19132454882221298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97807091) 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, 127303 + ... + 128068.

It is an arithmetic number, because the mean of its divisors is an integer number (24515712).

Almost surely, 297807093 is an apocalyptic number.

It is an amenable number.

97807093 is a deficient number, since it is larger than the sum of its proper divisors (255755).

97807093 is a wasteful number, since it uses less digits than its factorization.

97807093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255754.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 97807093 is about 9889.7468622812. The cubic root of 97807093 is about 460.7409184440.

The spelling of 97807093 in words is "ninety-seven million, eight hundred seven thousand, ninety-three".

Divisors: 1 383 255371 97807093