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9725028393 = 34375387817
BaseRepresentation
bin10010000111010100…
…00010100000101001
3221002202100121222210
421003222002200221
5124404101402033
64245001035333
7462665243313
oct110352024051
927082317883
109725028393
114140585853
121a74a85b49
13bbca43792
146838267b3
153bdb94d63
hex243a82829

9725028393 has 8 divisors (see below), whose sum is σ = 13268255968. Its totient is φ = 6332576544.

The previous prime is 9725028373. The next prime is 9725028407. The reversal of 9725028393 is 3938205279.

It is a happy number.

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

It is not a de Polignac number, because 9725028393 - 25 = 9725028361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9725028323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37693780 + ... + 37694037.

It is an arithmetic number, because the mean of its divisors is an integer number (1658531996).

Almost surely, 29725028393 is an apocalyptic number.

It is an amenable number.

9725028393 is a deficient number, since it is larger than the sum of its proper divisors (3543227575).

9725028393 is a wasteful number, since it uses less digits than its factorization.

9725028393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75387863.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 9725028393 is about 98615.5585746996. The cubic root of 9725028393 is about 2134.5039327781.

The spelling of 9725028393 in words is "nine billion, seven hundred twenty-five million, twenty-eight thousand, three hundred ninety-three".

Divisors: 1 3 43 129 75387817 226163451 3241676131 9725028393