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23073049 = 191214371
BaseRepresentation
bin101100000000…
…1000100011001
31121102020021101
41120001010121
521401314144
62142311401
7400055236
oct130010431
947366241
1023073049
111202a13a
127888561
134a1b0bc
1430c878d
15205b6d4
hex1601119

23073049 has 4 divisors (see below), whose sum is σ = 24287440. Its totient is φ = 21858660.

The previous prime is 23073047. The next prime is 23073053. The reversal of 23073049 is 94037032.

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 23073049 - 21 = 23073047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23073047) 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, 607167 + ... + 607204.

It is an arithmetic number, because the mean of its divisors is an integer number (6071860).

Almost surely, 223073049 is an apocalyptic number.

It is an amenable number.

23073049 is a deficient number, since it is larger than the sum of its proper divisors (1214391).

23073049 is a wasteful number, since it uses less digits than its factorization.

23073049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214390.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 23073049 is about 4803.4413705176. The cubic root of 23073049 is about 284.6874546433.

It can be divided in two parts, 2307 and 3049, that added together give a triangular number (5356 = T103).

The spelling of 23073049 in words is "twenty-three million, seventy-three thousand, forty-nine".

Divisors: 1 19 1214371 23073049