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52818480 = 24355111319
BaseRepresentation
bin1100100101111…
…1001000110000
310200101110100000
43021133020300
5102010142410
65124030000
71210643511
oct311371060
9120343300
1052818480
11278a6340
1215832300
13ac34250
14702ca08
154984dc0
hex325f230

52818480 has 480 divisors, whose sum is σ = 227485440. Its totient is φ = 11197440.

The previous prime is 52818463. The next prime is 52818481. The reversal of 52818480 is 8481825.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52818481) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2779911 + ... + 2779929.

It is an arithmetic number, because the mean of its divisors is an integer number (473928).

Almost surely, 252818480 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 52818480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113742720).

52818480 is an abundant number, since it is smaller than the sum of its proper divisors (174666960).

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

52818480 is a wasteful number, since it uses less digits than its factorization.

52818480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 52818480 is about 7267.6323517360. The cubic root of 52818480 is about 375.1992541087.

The spelling of 52818480 in words is "fifty-two million, eight hundred eighteen thousand, four hundred eighty".