Search a number
-
+
42297941 = 76042563
BaseRepresentation
bin1010000101011…
…0101001010101
32221120221212102
42201112221111
541312013231
64110331445
71022345420
oct241265125
987527772
1042297941
1121970084
12121b9b85
1389bc78a
1458909b7
153aa7acb
hex2856a55

42297941 has 4 divisors (see below), whose sum is σ = 48340512. Its totient is φ = 36255372.

The previous prime is 42297929. The next prime is 42297947. The reversal of 42297941 is 14979224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42297941 - 218 = 42035797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42297895 and 42297904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42297947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3021275 + ... + 3021288.

It is an arithmetic number, because the mean of its divisors is an integer number (12085128).

Almost surely, 242297941 is an apocalyptic number.

It is an amenable number.

42297941 is a deficient number, since it is larger than the sum of its proper divisors (6042571).

42297941 is an equidigital number, since it uses as much as digits as its factorization.

42297941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6042570.

The product of its digits is 36288, while the sum is 38.

The square root of 42297941 is about 6503.6867236976. The cubic root of 42297941 is about 348.4226736544.

The spelling of 42297941 in words is "forty-two million, two hundred ninety-seven thousand, nine hundred forty-one".

Divisors: 1 7 6042563 42297941