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22680525 = 352743201
BaseRepresentation
bin101011010000…
…1001111001101
31120200021211110
41112201033031
521301234100
62130042233
7363531660
oct126411715
946607743
1022680525
111189123a
127719379
13491153a
1430256d7
151ed0250
hex15a13cd

22680525 has 24 divisors (see below), whose sum is σ = 42856384. Its totient is φ = 10368000.

The previous prime is 22680521. The next prime is 22680529. The reversal of 22680525 is 52508622.

It is an interprime number because it is at equal distance from previous prime (22680521) and next prime (22680529).

It is not a de Polignac number, because 22680525 - 22 = 22680521 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22680492 and 22680501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22680521) 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 23 ways as a sum of consecutive naturals, for example, 21076 + ... + 22125.

Almost surely, 222680525 is an apocalyptic number.

22680525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22680525 is a deficient number, since it is larger than the sum of its proper divisors (20175859).

22680525 is a wasteful number, since it uses less digits than its factorization.

22680525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43221 (or 43216 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 22680525 is about 4762.4074794163. The cubic root of 22680525 is about 283.0638229197.

The spelling of 22680525 in words is "twenty-two million, six hundred eighty thousand, five hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 43201 129603 216005 302407 648015 907221 1080025 1512035 3240075 4536105 7560175 22680525