Search a number
-
+
23381392 = 2417671283
BaseRepresentation
bin101100100110…
…0010110010000
31121222220020111
41121030112100
521441201032
62153051104
7402511216
oct131142620
947886214
1023381392
111221a871
1279b6a94
134ac8558
143168cb6
1520bcc47
hex164c590

23381392 has 40 divisors (see below), whose sum is σ = 48720096. Its totient is φ = 10830336.

The previous prime is 23381387. The next prime is 23381401. The reversal of 23381392 is 29318332.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17583 + ... + 18865.

Almost surely, 223381392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23381392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24360048).

23381392 is an abundant number, since it is smaller than the sum of its proper divisors (25338704).

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

23381392 is a wasteful number, since it uses less digits than its factorization.

23381392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375 (or 1369 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 23381392 is about 4835.4309011711. The cubic root of 23381392 is about 285.9500132699.

The spelling of 23381392 in words is "twenty-three million, three hundred eighty-one thousand, three hundred ninety-two".

Divisors: 1 2 4 8 16 17 34 67 68 134 136 268 272 536 1072 1139 1283 2278 2566 4556 5132 9112 10264 18224 20528 21811 43622 85961 87244 171922 174488 343844 348976 687688 1375376 1461337 2922674 5845348 11690696 23381392