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11926945 = 517140317
BaseRepresentation
bin101101011111…
…110110100001
3211102221200201
4231133312201
511023130240
61103345201
7203243302
oct55376641
924387621
1011926945
116806988
123bb2201
132617984
1418267a9
1510a8d9a
hexb5fda1

11926945 has 8 divisors (see below), whose sum is σ = 15154344. Its totient is φ = 8980224.

The previous prime is 11926939. The next prime is 11926963. The reversal of 11926945 is 54962911.

It can be written as a sum of positive squares in 4 ways, for example, as 6210064 + 5716881 = 2492^2 + 2391^2 .

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 11926945 - 211 = 11924897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70074 + ... + 70243.

It is an arithmetic number, because the mean of its divisors is an integer number (1894293).

Almost surely, 211926945 is an apocalyptic number.

It is an amenable number.

11926945 is a deficient number, since it is larger than the sum of its proper divisors (3227399).

11926945 is a wasteful number, since it uses less digits than its factorization.

11926945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140339.

The product of its digits is 19440, while the sum is 37.

The square root of 11926945 is about 3453.5409364882. The cubic root of 11926945 is about 228.4773075093.

The spelling of 11926945 in words is "eleven million, nine hundred twenty-six thousand, nine hundred forty-five".

Divisors: 1 5 17 85 140317 701585 2385389 11926945