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23381334 = 2321298963
BaseRepresentation
bin101100100110…
…0010101010110
31121222220011100
41121030111112
521441200314
62153050530
7402511104
oct131142526
947886140
1023381334
111221a819
1279b6a46
134ac8512
143168c74
1520bcc09
hex164c556

23381334 has 12 divisors (see below), whose sum is σ = 50659596. Its totient is φ = 7793772.

The previous prime is 23381333. The next prime is 23381359. The reversal of 23381334 is 43318332.

It is a junction number, because it is equal to n+sod(n) for n = 23381298 and 23381307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23381333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 649464 + ... + 649499.

It is an arithmetic number, because the mean of its divisors is an integer number (4221633).

Almost surely, 223381334 is an apocalyptic number.

23381334 is an abundant number, since it is smaller than the sum of its proper divisors (27278262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23381334 is a wasteful number, since it uses less digits than its factorization.

23381334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298971 (or 1298968 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 23381334 is about 4835.4249037701. The cubic root of 23381334 is about 285.9497768266.

Adding to 23381334 its reverse (43318332), we get a palindrome (66699666).

The spelling of 23381334 in words is "twenty-three million, three hundred eighty-one thousand, three hundred thirty-four".

Divisors: 1 2 3 6 9 18 1298963 2597926 3896889 7793778 11690667 23381334