Search a number
-
+
53107888 = 2419971801
BaseRepresentation
bin1100101010010…
…1110010110000
310200221011022211
43022211302300
5102043423023
65134141504
71213260331
oct312456260
9120834284
1053107888
1127a83819
1215951894
13b005bb2
1470a6288
1549e0a0d
hex32a5cb0

53107888 has 40 divisors (see below), whose sum is σ = 109489520. Its totient is φ = 24883200.

The previous prime is 53107877. The next prime is 53107891. The reversal of 53107888 is 88870135.

It is a self number, because there is not a number n which added to its sum of digits gives 53107888.

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, 28588 + ... + 30388.

It is an arithmetic number, because the mean of its divisors is an integer number (2737238).

Almost surely, 253107888 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 53107888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54744760).

53107888 is an abundant number, since it is smaller than the sum of its proper divisors (56381632).

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

53107888 is a wasteful number, since it uses less digits than its factorization.

53107888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925 (or 1919 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 53107888 is about 7287.5159004972. The cubic root of 53107888 is about 375.8832820157.

The spelling of 53107888 in words is "fifty-three million, one hundred seven thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 16 19 38 76 97 152 194 304 388 776 1552 1801 1843 3602 3686 7204 7372 14408 14744 28816 29488 34219 68438 136876 174697 273752 349394 547504 698788 1397576 2795152 3319243 6638486 13276972 26553944 53107888