Search a number
-
+
42033443 = 233749393
BaseRepresentation
bin1010000001011…
…0000100100011
32221002112001012
42200112010203
541230032233
64100531135
71020164324
oct240260443
987075035
1042033443
11217aa391
12120b0aab
13892927a
14582244b
153a54548
hex2816123

42033443 has 8 divisors (see below), whose sum is σ = 45047328. Its totient is φ = 39118464.

The previous prime is 42033437. The next prime is 42033479. The reversal of 42033443 is 34433024.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42033443 - 26 = 42033379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42033413) 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, 23846 + ... + 25547.

It is an arithmetic number, because the mean of its divisors is an integer number (5630916).

Almost surely, 242033443 is an apocalyptic number.

42033443 is a deficient number, since it is larger than the sum of its proper divisors (3013885).

42033443 is a wasteful number, since it uses less digits than its factorization.

42033443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49453.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 42033443 is about 6483.3203684532. The cubic root of 42033443 is about 347.6949009314.

Adding to 42033443 its reverse (34433024), we get a palindrome (76466467).

The spelling of 42033443 in words is "forty-two million, thirty-three thousand, four hundred forty-three".

Divisors: 1 23 37 851 49393 1136039 1827541 42033443