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23083225 = 521183939
BaseRepresentation
bin101100000001…
…1100011011001
31121102202020021
41120003203121
521402130400
62142430441
7400130014
oct130034331
947382207
1023083225
1112036850
127892421
134a22919
1430cc37b
15205e71a
hex16038d9

23083225 has 12 divisors (see below), whose sum is σ = 31225680. Its totient is φ = 16787600.

The previous prime is 23083223. The next prime is 23083243. The reversal of 23083225 is 52238032.

It is not a de Polignac number, because 23083225 - 21 = 23083223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 23083225.

It is not an unprimeable number, because it can be changed into a prime (23083223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41695 + ... + 42244.

It is an arithmetic number, because the mean of its divisors is an integer number (2602140).

Almost surely, 223083225 is an apocalyptic number.

23083225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23083225 is a deficient number, since it is larger than the sum of its proper divisors (8142455).

23083225 is a wasteful number, since it uses less digits than its factorization.

23083225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83960 (or 83955 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 23083225 is about 4804.5004943282. The cubic root of 23083225 is about 284.7293007780.

23083225 divided by its sum of digits (25) gives a palindrome (923329).

It can be divided in two parts, 2308322 and 5, that multiplied together give a triangular number (11541610 = T4804).

The spelling of 23083225 in words is "twenty-three million, eighty-three thousand, two hundred twenty-five".

Divisors: 1 5 11 25 55 275 83939 419695 923329 2098475 4616645 23083225