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10045947 = 313924091
BaseRepresentation
bin100110010100…
…100111111011
3200220101110010
4212110213323
510032432242
6555153003
7151250322
oct46244773
920811403
1010045947
11574173a
123445763
132109762
1414970b9
15d3689c
hex9949fb

10045947 has 8 divisors (see below), whose sum is σ = 13491520. Its totient is φ = 6648840.

The previous prime is 10045939. The next prime is 10045949. The reversal of 10045947 is 74954001.

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 10045947 - 23 = 10045939 is a prime.

It is a super-2 number, since 2×100459472 = 201842102253618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10045949) 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, 11629 + ... + 12462.

It is an arithmetic number, because the mean of its divisors is an integer number (1686440).

Almost surely, 210045947 is an apocalyptic number.

10045947 is a deficient number, since it is larger than the sum of its proper divisors (3445573).

10045947 is a wasteful number, since it uses less digits than its factorization.

10045947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24233.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 10045947 is about 3169.5341929060. The cubic root of 10045947 is about 215.7729309599.

Adding to 10045947 its reverse (74954001), we get a palindrome (84999948).

The spelling of 10045947 in words is "ten million, forty-five thousand, nine hundred forty-seven".

Divisors: 1 3 139 417 24091 72273 3348649 10045947