Search a number
-
+
40845852 = 22321134607
BaseRepresentation
bin1001101111010…
…0001000011100
32211212011222100
42123310020130
540424031402
64015245100
71004120055
oct233641034
984764870
1040845852
1121069103
1211819790
138601858
1455d372c
1538bc71c
hex26f421c

40845852 has 18 divisors (see below), whose sum is σ = 103249328. Its totient is φ = 13615272.

The previous prime is 40845851. The next prime is 40845869. The reversal of 40845852 is 25854804.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1134607 = 40845852 / (4 + 0 + 8 + 4 + 5 + 8 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40845851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567268 + ... + 567339.

Almost surely, 240845852 is an apocalyptic number.

It is an amenable number.

40845852 is an abundant number, since it is smaller than the sum of its proper divisors (62403476).

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

40845852 is a wasteful number, since it uses less digits than its factorization.

40845852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134617 (or 1134612 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 40845852 is about 6391.0759657510. The cubic root of 40845852 is about 344.3890384076.

The spelling of 40845852 in words is "forty million, eight hundred forty-five thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 1134607 2269214 3403821 4538428 6807642 10211463 13615284 20422926 40845852