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52874780 = 22572931289
BaseRepresentation
bin1100100110110…
…0111000011100
310200111022120012
43021230320130
5102013443110
65125142352
71211266610
oct311547034
9120438505
1052874780
1127934672
121585a9b8
13ac53a6a
147045340
154996905
hex326ce1c

52874780 has 48 divisors (see below), whose sum is σ = 127431360. Its totient is φ = 18052608.

The previous prime is 52874771. The next prime is 52874803. The reversal of 52874780 is 8747825.

52874780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40376 + ... + 41664.

It is an arithmetic number, because the mean of its divisors is an integer number (2654820).

Almost surely, 252874780 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 52874780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63715680).

52874780 is an abundant number, since it is smaller than the sum of its proper divisors (74556580).

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

52874780 is a wasteful number, since it uses less digits than its factorization.

52874780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598 (or 1596 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 52874780 is about 7271.5046585971. The cubic root of 52874780 is about 375.3325169180.

The spelling of 52874780 in words is "fifty-two million, eight hundred seventy-four thousand, seven hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 293 586 1172 1289 1465 2051 2578 2930 4102 5156 5860 6445 8204 9023 10255 12890 18046 20510 25780 36092 41020 45115 90230 180460 377677 755354 1510708 1888385 2643739 3776770 5287478 7553540 10574956 13218695 26437390 52874780