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9939130 = 25993913
BaseRepresentation
bin100101111010…
…100010111010
3200200221220221
4211322202322
510021023010
6553010254
7150324025
oct45724272
920627827
109939130
115679463
1233b398a
13209cc56
14146a1bc
15d14dda
hex97a8ba

9939130 has 8 divisors (see below), whose sum is σ = 17890452. Its totient is φ = 3975648.

The previous prime is 9939103. The next prime is 9939131. The reversal of 9939130 is 319399.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8838729 + 1100401 = 2973^2 + 1049^2 .

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

It is not an unprimeable number, because it can be changed into a prime (9939131) 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 3 ways as a sum of consecutive naturals, for example, 496947 + ... + 496966.

Almost surely, 29939130 is an apocalyptic number.

9939130 is a deficient number, since it is larger than the sum of its proper divisors (7951322).

9939130 is a wasteful number, since it uses less digits than its factorization.

9939130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993920.

The product of its (nonzero) digits is 6561, while the sum is 34.

The square root of 9939130 is about 3152.6385774459. The cubic root of 9939130 is about 215.0054442465.

The spelling of 9939130 in words is "nine million, nine hundred thirty-nine thousand, one hundred thirty".

Divisors: 1 2 5 10 993913 1987826 4969565 9939130