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22988041 = 26387407
BaseRepresentation
bin101011110110…
…0010100001001
31121020220122221
41113230110021
521341104131
62140414041
7366252346
oct127542411
947226587
1022988041
1111a8128a
127847321
1349bb4bb
1430a57cd
152041411
hex15ec509

22988041 has 4 divisors (see below), whose sum is σ = 23075712. Its totient is φ = 22900372.

The previous prime is 22988027. The next prime is 22988059. The reversal of 22988041 is 14088922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22988041 - 29 = 22987529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22987988 and 22988006.

It is not an unprimeable number, because it can be changed into a prime (22988071) 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, 43441 + ... + 43966.

It is an arithmetic number, because the mean of its divisors is an integer number (5768928).

Almost surely, 222988041 is an apocalyptic number.

It is an amenable number.

22988041 is a deficient number, since it is larger than the sum of its proper divisors (87671).

22988041 is an equidigital number, since it uses as much as digits as its factorization.

22988041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87670.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 22988041 is about 4794.5845492597. The cubic root of 22988041 is about 284.3373998671.

The spelling of 22988041 in words is "twenty-two million, nine hundred eighty-eight thousand, forty-one".

Divisors: 1 263 87407 22988041