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23890430 = 252389043
BaseRepresentation
bin101101100100…
…0100111111110
31122221202111202
41123020213332
522103443210
62212015502
7410031254
oct133104776
948852452
1023890430
1112538263
128001592
134c46165
14325c5d4
15216d9a5
hex16c89fe

23890430 has 8 divisors (see below), whose sum is σ = 43002792. Its totient is φ = 9556168.

The previous prime is 23890411. The next prime is 23890453. The reversal of 23890430 is 3409832.

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 = 23890393 and 23890402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194512 + ... + 1194531.

It is an arithmetic number, because the mean of its divisors is an integer number (5375349).

Almost surely, 223890430 is an apocalyptic number.

23890430 is a deficient number, since it is larger than the sum of its proper divisors (19112362).

23890430 is a wasteful number, since it uses less digits than its factorization.

23890430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389050.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 23890430 is about 4887.7837513540. The cubic root of 23890430 is about 288.0102796614.

The spelling of 23890430 in words is "twenty-three million, eight hundred ninety thousand, four hundred thirty".

Divisors: 1 2 5 10 2389043 4778086 11945215 23890430