Search a number
-
+
42037911 = 324670879
BaseRepresentation
bin1010000001011…
…1001010010111
32221002202011200
42200113022113
541230203121
64101003543
71020213336
oct240271227
987082150
1042037911
1121802783
12120b35b3
13892b306
145823d1d
153a55a26
hex2817297

42037911 has 6 divisors (see below), whose sum is σ = 60721440. Its totient is φ = 28025268.

The previous prime is 42037901. The next prime is 42037969. The reversal of 42037911 is 11973024.

It is not a de Polignac number, because 42037911 - 26 = 42037847 is a prime.

It is a super-2 number, since 2×420379112 = 3534371922487842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42037901) 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, 2335431 + ... + 2335448.

It is an arithmetic number, because the mean of its divisors is an integer number (10120240).

Almost surely, 242037911 is an apocalyptic number.

42037911 is a deficient number, since it is larger than the sum of its proper divisors (18683529).

42037911 is a wasteful number, since it uses less digits than its factorization.

42037911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4670885 (or 4670882 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 42037911 is about 6483.6649358214. The cubic root of 42037911 is about 347.7072200569.

The spelling of 42037911 in words is "forty-two million, thirty-seven thousand, nine hundred eleven".

Divisors: 1 3 9 4670879 14012637 42037911