Search a number
-
+
23402054256 = 2437231476829
BaseRepresentation
bin10101110010110111…
…110000001001110000
32020101221002112100020
4111302313300021300
5340411411214011
614430055123440
71455632115300
oct256267601160
966357075306
1023402054256
119a19938809
124651373580
13228c46c7a9
1411c0069600
1591e77c006
hex572df0270

23402054256 has 240 divisors, whose sum is σ = 74149539840. Its totient is φ = 6332014080.

The previous prime is 23402054243. The next prime is 23402054257. The reversal of 23402054256 is 65245020432.

It is a happy number.

It is a super-2 number, since 2×234020542562 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23402054257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3423450 + ... + 3430278.

It is an arithmetic number, because the mean of its divisors is an integer number (308956416).

Almost surely, 223402054256 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 23402054256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37074769920).

23402054256 is an abundant number, since it is smaller than the sum of its proper divisors (50747485584).

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

23402054256 is a wasteful number, since it uses less digits than its factorization.

23402054256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932 (or 6919 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 23402054256 its reverse (65245020432), we get a palindrome (88647074688).

The spelling of 23402054256 in words is "twenty-three billion, four hundred two million, fifty-four thousand, two hundred fifty-six".