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23490049 = 115633793
BaseRepresentation
bin101100110011…
…0111000000001
31122012102021211
41121212320001
522003140144
62155250121
7403443052
oct131467001
948172254
1023490049
1112294470
127a49941
134b35b4b
143196729
1520e0034
hex1666e01

23490049 has 8 divisors (see below), whose sum is σ = 25677792. Its totient is φ = 21311040.

The previous prime is 23490001. The next prime is 23490059. The reversal of 23490049 is 94009432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23490049 - 223 = 15101441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23490049.

It is not an unprimeable number, because it can be changed into a prime (23490059) 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 7 ways as a sum of consecutive naturals, for example, 4297 + ... + 8089.

It is an arithmetic number, because the mean of its divisors is an integer number (3209724).

Almost surely, 223490049 is an apocalyptic number.

It is an amenable number.

23490049 is a deficient number, since it is larger than the sum of its proper divisors (2187743).

23490049 is a wasteful number, since it uses less digits than its factorization.

23490049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 23490049 is about 4846.6533814582. The cubic root of 23490049 is about 286.3922804181.

The spelling of 23490049 in words is "twenty-three million, four hundred ninety thousand, forty-nine".

Divisors: 1 11 563 3793 6193 41723 2135459 23490049