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10639473 = 313272807
BaseRepresentation
bin101000100101…
…100001110001
3202000112121120
4220211201301
510210430343
61020012453
7156301605
oct50454161
922015546
1010639473
116007659
123691129
132286960
1415ad505
15e02683
hexa25871

10639473 has 8 divisors (see below), whose sum is σ = 15277248. Its totient is φ = 6547344.

The previous prime is 10639463. The next prime is 10639481. The reversal of 10639473 is 37493601.

10639473 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10639473 - 28 = 10639217 is a prime.

It is a super-2 number, since 2×106394732 = 226396771435458, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10639463) 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, 136365 + ... + 136442.

It is an arithmetic number, because the mean of its divisors is an integer number (1909656).

Almost surely, 210639473 is an apocalyptic number.

10639473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10639473 is a deficient number, since it is larger than the sum of its proper divisors (4637775).

10639473 is a wasteful number, since it uses less digits than its factorization.

10639473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272823.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 10639473 is about 3261.8205039517. The cubic root of 10639473 is about 219.9412584217.

The spelling of 10639473 in words is "ten million, six hundred thirty-nine thousand, four hundred seventy-three".

Divisors: 1 3 13 39 272807 818421 3546491 10639473