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52841820 = 2235907971
BaseRepresentation
bin1100100110010…
…0110101011100
310200102122100110
43021210311130
5102011414240
65124330020
71211101533
oct311446534
9120378313
1052841820
1127911929
1215843910
13ac41a65
14703731a
15498bc80
hex3264d5c

52841820 has 48 divisors (see below), whose sum is σ = 148272768. Its totient is φ = 14061120.

The previous prime is 52841813. The next prime is 52841827. The reversal of 52841820 is 2814825.

52841820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52841813) and next prime (52841827).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52841827) by changing a digit.

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, 53935 + ... + 54905.

It is an arithmetic number, because the mean of its divisors is an integer number (3089016).

Almost surely, 252841820 is an apocalyptic number.

It is an amenable number.

52841820 is an abundant number, since it is smaller than the sum of its proper divisors (95430948).

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

52841820 is a wasteful number, since it uses less digits than its factorization.

52841820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890 (or 1888 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 52841820 is about 7269.2379242944. The cubic root of 52841820 is about 375.2545116689.

The spelling of 52841820 in words is "fifty-two million, eight hundred forty-one thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 907 971 1814 1942 2721 2913 3628 3884 4535 4855 5442 5826 9070 9710 10884 11652 13605 14565 18140 19420 27210 29130 54420 58260 880697 1761394 2642091 3522788 4403485 5284182 8806970 10568364 13210455 17613940 26420910 52841820