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23061461 = 78729303
BaseRepresentation
bin101011111111…
…0001111010101
31121101122101012
41113332033111
521400431321
62142142005
7400006403
oct127761725
947348335
1023061461
1112021465
127881905
134a15a47
1430c4473
15205805b
hex15fe3d5

23061461 has 4 divisors (see below), whose sum is σ = 23091552. Its totient is φ = 23031372.

The previous prime is 23061449. The next prime is 23061463. The reversal of 23061461 is 16416032.

It is a happy number.

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 23061461 - 210 = 23060437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23061463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13865 + ... + 15438.

It is an arithmetic number, because the mean of its divisors is an integer number (5772888).

Almost surely, 223061461 is an apocalyptic number.

It is an amenable number.

23061461 is a deficient number, since it is larger than the sum of its proper divisors (30091).

23061461 is an equidigital number, since it uses as much as digits as its factorization.

23061461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30090.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 23061461 is about 4802.2350004972. The cubic root of 23061461 is about 284.6397870426.

Adding to 23061461 its reverse (16416032), we get a palindrome (39477493).

The spelling of 23061461 in words is "twenty-three million, sixty-one thousand, four hundred sixty-one".

Divisors: 1 787 29303 23061461