Search a number
-
+
23494656 = 2153239
BaseRepresentation
bin101100110100…
…0000000000000
31122012122121110
41121220000000
522003312111
62155323320
7403462353
oct131500000
948178543
1023494656
1112297979
127a50540
134b37c83
14319829a
1520e15a6
hex1668000

23494656 has 64 divisors (see below), whose sum is σ = 62913600. Its totient is φ = 7798784.

The previous prime is 23494651. The next prime is 23494673. The reversal of 23494656 is 65649432.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23494651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98185 + ... + 98423.

It is an arithmetic number, because the mean of its divisors is an integer number (983025).

Almost surely, 223494656 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 23494656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31456800).

23494656 is an abundant number, since it is smaller than the sum of its proper divisors (39418944).

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

23494656 is an frugal number, since it uses more digits than its factorization.

23494656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 244 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 23494656 is about 4847.1286345629. The cubic root of 23494656 is about 286.4110021470.

The spelling of 23494656 in words is "twenty-three million, four hundred ninety-four thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 239 256 384 478 512 717 768 956 1024 1434 1536 1912 2048 2868 3072 3824 4096 5736 6144 7648 8192 11472 12288 15296 16384 22944 24576 30592 32768 45888 49152 61184 91776 98304 122368 183552 244736 367104 489472 734208 978944 1468416 1957888 2936832 3915776 5873664 7831552 11747328 23494656