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10139641 = 107193491
BaseRepresentation
bin100110101011…
…011111111001
3201002010222021
4212223133321
510043432031
61001154441
7152120431
oct46533771
921063867
1010139641
1157a6076
12348ba21
1321402b5
1414bd2c1
15d54511
hex9ab7f9

10139641 has 8 divisors (see below), whose sum is σ = 10308384. Its totient is φ = 9972480.

The previous prime is 10139609. The next prime is 10139651. The reversal of 10139641 is 14693101.

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 10139641 - 25 = 10139609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10139651) 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, 20406 + ... + 20896.

It is an arithmetic number, because the mean of its divisors is an integer number (1288548).

Almost surely, 210139641 is an apocalyptic number.

It is an amenable number.

10139641 is a deficient number, since it is larger than the sum of its proper divisors (168743).

10139641 is a wasteful number, since it uses less digits than its factorization.

10139641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 10139641 is about 3184.2802954514. The cubic root of 10139641 is about 216.4416617488.

The spelling of 10139641 in words is "ten million, one hundred thirty-nine thousand, six hundred forty-one".

Divisors: 1 107 193 491 20651 52537 94763 10139641