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23077042 = 250922669
BaseRepresentation
bin101100000001…
…0000010110010
31121102102202021
41120002002302
521401431132
62142342054
7400103002
oct130020262
947372667
1023077042
111203213a
12788a92a
134a1cb71
1430ca002
15205c997
hex16020b2

23077042 has 8 divisors (see below), whose sum is σ = 34685100. Its totient is φ = 11515344.

The previous prime is 23077037. The next prime is 23077049. The reversal of 23077042 is 24077032.

It can be written as a sum of positive squares in 2 ways, for example, as 18241441 + 4835601 = 4271^2 + 2199^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 23076998 and 23077016.

It is not an unprimeable number, because it can be changed into a prime (23077049) 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, 10317 + ... + 12352.

Almost surely, 223077042 is an apocalyptic number.

23077042 is a deficient number, since it is larger than the sum of its proper divisors (11608058).

23077042 is a wasteful number, since it uses less digits than its factorization.

23077042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23180.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 23077042 is about 4803.8569920430. The cubic root of 23077042 is about 284.7038762764.

The spelling of 23077042 in words is "twenty-three million, seventy-seven thousand, forty-two".

Divisors: 1 2 509 1018 22669 45338 11538521 23077042