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10994809 = 73742451
BaseRepresentation
bin101001111100…
…010001111001
3202200121001011
4221330101321
510303313214
61031353521
7162311560
oct51742171
922617034
1010994809
11622a621
1238228a1
13237c607
141662bd7
15e72ac4
hexa7c479

10994809 has 8 divisors (see below), whose sum is σ = 12905408. Its totient is φ = 9169200.

The previous prime is 10994807. The next prime is 10994821. The reversal of 10994809 is 90849901.

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 10994809 - 21 = 10994807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10994803) 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 7 ways as a sum of consecutive naturals, for example, 20967 + ... + 21484.

It is an arithmetic number, because the mean of its divisors is an integer number (1613176).

Almost surely, 210994809 is an apocalyptic number.

It is an amenable number.

10994809 is a deficient number, since it is larger than the sum of its proper divisors (1910599).

10994809 is an equidigital number, since it uses as much as digits as its factorization.

10994809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42495.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 10994809 is about 3315.8421253130. The cubic root of 10994809 is about 222.3630196717.

The spelling of 10994809 in words is "ten million, nine hundred ninety-four thousand, eight hundred nine".

Divisors: 1 7 37 259 42451 297157 1570687 10994809