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11630939 = 23505693
BaseRepresentation
bin101100010111…
…100101011011
3210212220122112
4230113211123
510434142224
61053142535
7200601305
oct54274533
923786575
1011630939
116624551
123a8aa4b
132543018
14178a975
15104b30e
hexb1795b

11630939 has 4 divisors (see below), whose sum is σ = 12136656. Its totient is φ = 11125224.

The previous prime is 11630923. The next prime is 11630947. The reversal of 11630939 is 93903611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93903611 = 152361657.

It is a cyclic number.

It is not a de Polignac number, because 11630939 - 24 = 11630923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11630989) 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, 252824 + ... + 252869.

It is an arithmetic number, because the mean of its divisors is an integer number (3034164).

Almost surely, 211630939 is an apocalyptic number.

11630939 is a deficient number, since it is larger than the sum of its proper divisors (505717).

11630939 is an equidigital number, since it uses as much as digits as its factorization.

11630939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505716.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 11630939 is about 3410.4162502545. The cubic root of 11630939 is about 226.5713153827.

The spelling of 11630939 in words is "eleven million, six hundred thirty thousand, nine hundred thirty-nine".

Divisors: 1 23 505693 11630939