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9690945 = 351158733
BaseRepresentation
bin100100111101…
…111101000001
3200020100110220
4210331331001
54440102240
6543413253
7145241325
oct44757501
920210426
109690945
115519a50
1232b4229
132013cb4
141403985
15cb65d0
hex93df41

9690945 has 16 divisors (see below), whose sum is σ = 16915392. Its totient is φ = 4698560.

The previous prime is 9690907. The next prime is 9691001. The reversal of 9690945 is 5490969.

It is a happy number.

It is not a de Polignac number, because 9690945 - 29 = 9690433 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 9690897 and 9690906.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29202 + ... + 29531.

It is an arithmetic number, because the mean of its divisors is an integer number (1057212).

Almost surely, 29690945 is an apocalyptic number.

It is an amenable number.

9690945 is a deficient number, since it is larger than the sum of its proper divisors (7224447).

9690945 is a wasteful number, since it uses less digits than its factorization.

9690945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58752.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 9690945 is about 3113.0282684229. The cubic root of 9690945 is about 213.2007409037.

The spelling of 9690945 in words is "nine million, six hundred ninety thousand, nine hundred forty-five".

Divisors: 1 3 5 11 15 33 55 165 58733 176199 293665 646063 880995 1938189 3230315 9690945