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52857888 = 2531374019
BaseRepresentation
bin1100100110100…
…0110000100000
310200110110101120
43021220300200
5102012423023
65124532240
71211166426
oct311506040
9120413346
1052857888
1127922a06
1215851080
13ac49175
14703d116
1549918e3
hex3268c20

52857888 has 48 divisors (see below), whose sum is σ = 139799520. Its totient is φ = 17486336.

The previous prime is 52857881. The next prime is 52857911. The reversal of 52857888 is 88875825.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 52857888.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52857881) 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, 11143 + ... + 15161.

It is an arithmetic number, because the mean of its divisors is an integer number (2912490).

Almost surely, 252857888 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 52857888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69899760).

52857888 is an abundant number, since it is smaller than the sum of its proper divisors (86941632).

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

52857888 is a wasteful number, since it uses less digits than its factorization.

52857888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4169 (or 4161 counting only the distinct ones).

The product of its digits is 1433600, while the sum is 51.

The square root of 52857888 is about 7270.3430455516. The cubic root of 52857888 is about 375.2925432787.

The spelling of 52857888 in words is "fifty-two million, eight hundred fifty-seven thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 137 274 411 548 822 1096 1644 2192 3288 4019 4384 6576 8038 12057 13152 16076 24114 32152 48228 64304 96456 128608 192912 385824 550603 1101206 1651809 2202412 3303618 4404824 6607236 8809648 13214472 17619296 26428944 52857888