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23027407 = 138871997
BaseRepresentation
bin101011111010…
…1111011001111
31121022220122221
41113311323033
521343334112
62141320211
7366505204
oct127657317
947286587
1023027407
1111aa8917
127866067
134a033b0
1430b5cab
15204ce07
hex15f5ecf

23027407 has 8 divisors (see below), whose sum is σ = 24839136. Its totient is φ = 21221472.

The previous prime is 23027399. The next prime is 23027441. The reversal of 23027407 is 70472032.

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 23027407 - 23 = 23027399 is a prime.

It is a super-2 number, since 2×230274072 = 1060522946287298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23027447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10533 + ... + 12529.

It is an arithmetic number, because the mean of its divisors is an integer number (3104892).

Almost surely, 223027407 is an apocalyptic number.

23027407 is a deficient number, since it is larger than the sum of its proper divisors (1811729).

23027407 is a wasteful number, since it uses less digits than its factorization.

23027407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897.

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

The square root of 23027407 is about 4798.6880498736. The cubic root of 23027407 is about 284.4996123679.

Adding to 23027407 its reverse (70472032), we get a palindrome (93499439).

The spelling of 23027407 in words is "twenty-three million, twenty-seven thousand, four hundred seven".

Divisors: 1 13 887 1997 11531 25961 1771339 23027407