Search a number
-
+
1942855 = 52913399
BaseRepresentation
bin111011010010101000111
310122201002121
413122111013
5444132410
6105350411
722341205
oct7322507
93581077
101942855
111107772
12798407
13530425
14388075
152859da
hex1da547

1942855 has 8 divisors (see below), whose sum is σ = 2412000. Its totient is φ = 1500576.

The previous prime is 1942841. The next prime is 1942859. The reversal of 1942855 is 5582491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1942855 - 27 = 1942727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1942855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6555 + ... + 6844.

It is an arithmetic number, because the mean of its divisors is an integer number (301500).

21942855 is an apocalyptic number.

1942855 is a deficient number, since it is larger than the sum of its proper divisors (469145).

1942855 is a wasteful number, since it uses less digits than its factorization.

1942855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13433.

The product of its digits is 14400, while the sum is 34.

The square root of 1942855 is about 1393.8633361991. The cubic root of 1942855 is about 124.7805215258.

The spelling of 1942855 in words is "one million, nine hundred forty-two thousand, eight hundred fifty-five".

Divisors: 1 5 29 145 13399 66995 388571 1942855