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52374180 = 2235978999
BaseRepresentation
bin1100011111001…
…0101010100100
310122112212212110
43013302222210
5101401433210
65110321020
71204113255
oct307625244
9118485773
1052374180
1127622551
1215659170
13ab09c51
146d54b2c
1548e8420
hex31f2aa4

52374180 has 48 divisors (see below), whose sum is σ = 148176000. Its totient is φ = 13820928.

The previous prime is 52374167. The next prime is 52374191. The reversal of 52374180 is 8147325.

52374180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 1321 + ... + 10319.

It is an arithmetic number, because the mean of its divisors is an integer number (3087000).

Almost surely, 252374180 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 52374180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74088000).

52374180 is an abundant number, since it is smaller than the sum of its proper divisors (95801820).

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

52374180 is a wasteful number, since it uses less digits than its factorization.

52374180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9108 (or 9106 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 52374180 is about 7237.0007599834. Note that the first 3 decimals coincide. The cubic root of 52374180 is about 374.1442531226.

The spelling of 52374180 in words is "fifty-two million, three hundred seventy-four thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 97 194 291 388 485 582 970 1164 1455 1940 2910 5820 8999 17998 26997 35996 44995 53994 89990 107988 134985 179980 269970 539940 872903 1745806 2618709 3491612 4364515 5237418 8729030 10474836 13093545 17458060 26187090 52374180