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52280808 = 2332178367
BaseRepresentation
bin1100011101101…
…1110111101000
310122101010210020
43013123313220
5101340441213
65104320440
71203244116
oct307336750
9118333706
1052280808
1127569388
1215613120
13aaa65b8
146d2cab6
1548ca923
hex31dbde8

52280808 has 16 divisors (see below), whose sum is σ = 130702080. Its totient is φ = 17426928.

The previous prime is 52280807. The next prime is 52280821. The reversal of 52280808 is 80808225.

It is not an unprimeable number, because it can be changed into a prime (52280801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089160 + ... + 1089207.

It is an arithmetic number, because the mean of its divisors is an integer number (8168880).

Almost surely, 252280808 is an apocalyptic number.

It is an amenable number.

52280808 is an abundant number, since it is smaller than the sum of its proper divisors (78421272).

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

52280808 is a wasteful number, since it uses less digits than its factorization.

52280808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178376 (or 2178372 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 52280808 is about 7230.5468672847. The cubic root of 52280808 is about 373.9217810438.

The spelling of 52280808 in words is "fifty-two million, two hundred eighty thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 24 2178367 4356734 6535101 8713468 13070202 17426936 26140404 52280808