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23030974 = 264317909
BaseRepresentation
bin101011111011…
…0110010111110
31121100002120001
41113312302332
521343442344
62141344514
7366521461
oct127666276
947302501
1023030974
111200056a
12786813a
134a04bc5
1430b72d8
15204ded4
hex15f6cbe

23030974 has 8 divisors (see below), whose sum is σ = 34602120. Its totient is φ = 11496936.

The previous prime is 23030963. The next prime is 23030999. The reversal of 23030974 is 47903032.

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

It is a congruent number.

It is an unprimeable number.

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, 7669 + ... + 10240.

It is an arithmetic number, because the mean of its divisors is an integer number (4325265).

Almost surely, 223030974 is an apocalyptic number.

23030974 is a deficient number, since it is larger than the sum of its proper divisors (11571146).

23030974 is a wasteful number, since it uses less digits than its factorization.

23030974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18554.

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

The square root of 23030974 is about 4799.0596995662. The cubic root of 23030974 is about 284.5143014978.

The spelling of 23030974 in words is "twenty-three million, thirty thousand, nine hundred seventy-four".

Divisors: 1 2 643 1286 17909 35818 11515487 23030974