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26630923 = 112420993
BaseRepresentation
bin110010110010…
…1101100001011
31212002222202111
41211211230023
523304142143
62350443151
7442234114
oct145455413
955088674
1026630923
111403a230
128b034b7
135695657
14377320b
15251099d
hex1965b0b

26630923 has 4 divisors (see below), whose sum is σ = 29051928. Its totient is φ = 24209920.

The previous prime is 26630921. The next prime is 26630927. The reversal of 26630923 is 32903662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26630923 - 21 = 26630921 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26630921) 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 3 ways as a sum of consecutive naturals, for example, 1210486 + ... + 1210507.

It is an arithmetic number, because the mean of its divisors is an integer number (7262982).

Almost surely, 226630923 is an apocalyptic number.

26630923 is a deficient number, since it is larger than the sum of its proper divisors (2421005).

26630923 is a wasteful number, since it uses less digits than its factorization.

26630923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421004.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 26630923 is about 5160.5157687968. The cubic root of 26630923 is about 298.6267718877.

The spelling of 26630923 in words is "twenty-six million, six hundred thirty thousand, nine hundred twenty-three".

Divisors: 1 11 2420993 26630923