Search a number
-
+
2000042 = 21190911
BaseRepresentation
bin111101000010010101010
310202121112122
413220102222
51003000132
6110511242
723000012
oct7502252
93677478
102000042
111146730
12805522
13550475
143a0c42
15297912
hex1e84aa

2000042 has 8 divisors (see below), whose sum is σ = 3272832. Its totient is φ = 909100.

The previous prime is 2000039. The next prime is 2000081. The reversal of 2000042 is 2400002.

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

2000042 is a modest number, since divided by 42 gives 2 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1999993 and 2000029.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45434 + ... + 45477.

It is an arithmetic number, because the mean of its divisors is an integer number (409104).

22000042 is an apocalyptic number.

2000042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2000042 is a deficient number, since it is larger than the sum of its proper divisors (1272790).

2000042 is a wasteful number, since it uses less digits than its factorization.

2000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90924.

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 2000042 is about 1414.2284115375. The cubic root of 2000042 is about 125.9929869280.

Adding to 2000042 its reverse (2400002), we get a palindrome (4400044).

The spelling of 2000042 in words is "two million, forty-two", and thus it is an aban number, an eban number, and an uban number.

Divisors: 1 2 11 22 90911 181822 1000021 2000042