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97992743 = 1743134053
BaseRepresentation
bin1011101011101…
…00000000100111
320211101112202212
411311310000213
5200041231433
613420154035
72266632062
oct565640047
9224345685
1097992743
1150350442
122899891b
13173bcc94
14d02b8d9
158909d48
hex5d74027

97992743 has 8 divisors (see below), whose sum is σ = 106170768. Its totient is φ = 90082944.

The previous prime is 97992737. The next prime is 97992751. The reversal of 97992743 is 34729979.

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 97992743 - 224 = 81215527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97992691 and 97992700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97992703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66296 + ... + 67757.

It is an arithmetic number, because the mean of its divisors is an integer number (13271346).

Almost surely, 297992743 is an apocalyptic number.

97992743 is a deficient number, since it is larger than the sum of its proper divisors (8178025).

97992743 is a wasteful number, since it uses less digits than its factorization.

97992743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134113.

The product of its digits is 857304, while the sum is 50.

The square root of 97992743 is about 9899.1283959751. The cubic root of 97992743 is about 461.0322486745.

The spelling of 97992743 in words is "ninety-seven million, nine hundred ninety-two thousand, seven hundred forty-three".

Divisors: 1 17 43 731 134053 2278901 5764279 97992743