Search a number
-
+
108056864 = 2561197281
BaseRepresentation
bin1100111000011…
…01000100100000
321112022212011002
412130031010200
5210130304424
614420011132
72451316406
oct634150440
9245285132
10108056864
1155aa47a3
1230230aa8
1319504a96
14104cb476
159746cae
hex670d120

108056864 has 48 divisors (see below), whose sum is σ = 218095416. Its totient is φ = 52684800.

The previous prime is 108056843. The next prime is 108056867. The reversal of 108056864 is 468650801.

It can be written as a sum of positive squares in 4 ways, for example, as 99600400 + 8456464 = 9980^2 + 2908^2 .

It is not an unprimeable number, because it can be changed into a prime (108056867) 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, 384404 + ... + 384684.

Almost surely, 2108056864 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 108056864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109047708).

108056864 is an abundant number, since it is smaller than the sum of its proper divisors (110038552).

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

108056864 is a wasteful number, since it uses less digits than its factorization.

108056864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 108056864 is about 10395.0403558620. The cubic root of 108056864 is about 476.3038805310.

The spelling of 108056864 in words is "one hundred eight million, fifty-six thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 32 61 122 197 244 281 394 488 562 788 976 1124 1576 1952 2248 3152 4496 6304 8992 12017 17141 24034 34282 48068 55357 68564 96136 110714 137128 192272 221428 274256 384544 442856 548512 885712 1771424 3376777 6753554 13507108 27014216 54028432 108056864