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11290939 = 111026449
BaseRepresentation
bin101011000100…
…100100111011
3210020122020221
4223010210323
510342302224
61042000511
7164654122
oct53044473
923218227
1011290939
116412060
123946137
13245433a
1416dcab9
15ed06e4
hexac493b

11290939 has 4 divisors (see below), whose sum is σ = 12317400. Its totient is φ = 10264480.

The previous prime is 11290931. The next prime is 11290943. The reversal of 11290939 is 93909211.

11290939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93909211 = 118537201.

It is a cyclic number.

It is not a de Polignac number, because 11290939 - 23 = 11290931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11290931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513214 + ... + 513235.

It is an arithmetic number, because the mean of its divisors is an integer number (3079350).

Almost surely, 211290939 is an apocalyptic number.

11290939 is a deficient number, since it is larger than the sum of its proper divisors (1026461).

11290939 is a wasteful number, since it uses less digits than its factorization.

11290939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026460.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 11290939 is about 3360.1992500446. The cubic root of 11290939 is about 224.3417071564.

The spelling of 11290939 in words is "eleven million, two hundred ninety thousand, nine hundred thirty-nine".

Divisors: 1 11 1026449 11290939