Search a number
-
+
43752056040 = 233457112107149
BaseRepresentation
bin101000101111110100…
…110110010011101000
311011221011012201210000
4220233310312103220
51204101011243130
632033250223000
73106134224460
oct505764662350
9134834181700
1043752056040
1117611993300
128590584a60
134183501374
142190a1cba0
1512110d2260
hexa2fd364e8

43752056040 has 960 divisors, whose sum is σ = 187708752000. Its totient is φ = 8945925120.

The previous prime is 43752056039. The next prime is 43752056053. The reversal of 43752056040 is 4065025734.

43752056040 is a `hidden beast` number, since 4 + 3 + 7 + 52 + 0 + 560 + 40 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 43752055986 and 43752056004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 293637886 + ... + 293638034.

It is an arithmetic number, because the mean of its divisors is an integer number (195529950).

Almost surely, 243752056040 is an apocalyptic number.

43752056040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43752056040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93854376000).

43752056040 is an abundant number, since it is smaller than the sum of its proper divisors (143956695960).

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

43752056040 is a wasteful number, since it uses less digits than its factorization.

43752056040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 43752056040 in words is "forty-three billion, seven hundred fifty-two million, fifty-six thousand, forty".