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23042078 = 211521039
BaseRepresentation
bin101011111100…
…1100000011110
31121100122210022
41113321200132
521344321303
62141512142
7366566033
oct127714036
947318708
1023042078
1112008944
127872652
134a09c87
1430bb38a
152052438
hex15f981e

23042078 has 4 divisors (see below), whose sum is σ = 34563120. Its totient is φ = 11521038.

The previous prime is 23042053. The next prime is 23042081. The reversal of 23042078 is 87024032.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5760518 + ... + 5760521.

It is an arithmetic number, because the mean of its divisors is an integer number (8640780).

Almost surely, 223042078 is an apocalyptic number.

23042078 is a deficient number, since it is larger than the sum of its proper divisors (11521042).

23042078 is a wasteful number, since it uses less digits than its factorization.

23042078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11521041.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 23042078 is about 4800.2164534529. The cubic root of 23042078 is about 284.5600187598.

The spelling of 23042078 in words is "twenty-three million, forty-two thousand, seventy-eight".

Divisors: 1 2 11521039 23042078