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23890834 = 2117611427
BaseRepresentation
bin101101100100…
…0101110010010
31122221210001201
41123020232102
522104001314
62212021414
7410032402
oct133105622
948853051
1023890834
11125385a0
12800186a
134c463b6
14325c802
15216db74
hex16c8b92

23890834 has 16 divisors (see below), whose sum is σ = 39172896. Its totient is φ = 10837600.

The previous prime is 23890829. The next prime is 23890837. The reversal of 23890834 is 43809832.

It is a junction number, because it is equal to n+sod(n) for n = 23890793 and 23890802.

It is not an unprimeable number, because it can be changed into a prime (23890837) 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, 16029 + ... + 17455.

It is an arithmetic number, because the mean of its divisors is an integer number (2448306).

Almost surely, 223890834 is an apocalyptic number.

23890834 is a deficient number, since it is larger than the sum of its proper divisors (15282062).

23890834 is a wasteful number, since it uses less digits than its factorization.

23890834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 23890834 is about 4887.8250787032. The cubic root of 23890834 is about 288.0119031217.

The spelling of 23890834 in words is "twenty-three million, eight hundred ninety thousand, eight hundred thirty-four".

Divisors: 1 2 11 22 761 1427 1522 2854 8371 15697 16742 31394 1085947 2171894 11945417 23890834