Search a number
-
+
42795697 = 76113671
BaseRepresentation
bin1010001101000…
…0001010110001
32222112020122211
42203100022301
541423430242
64125132121
71026520540
oct243201261
988466584
1042795697
112218004a
12123ba041
138b351c9
145980157
153b55317
hex28d02b1

42795697 has 4 divisors (see below), whose sum is σ = 48909376. Its totient is φ = 36682020.

The previous prime is 42795691. The next prime is 42795719. The reversal of 42795697 is 79659724.

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 a de Polignac number, because none of the positive numbers 2k-42795697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42795697.

It is not an unprimeable number, because it can be changed into a prime (42795691) 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, 3056829 + ... + 3056842.

It is an arithmetic number, because the mean of its divisors is an integer number (12227344).

Almost surely, 242795697 is an apocalyptic number.

It is an amenable number.

42795697 is a deficient number, since it is larger than the sum of its proper divisors (6113679).

42795697 is an equidigital number, since it uses as much as digits as its factorization.

42795697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6113678.

The product of its digits is 952560, while the sum is 49.

The square root of 42795697 is about 6541.8420188812. The cubic root of 42795697 is about 349.7840763426.

The spelling of 42795697 in words is "forty-two million, seven hundred ninety-five thousand, six hundred ninety-seven".

Divisors: 1 7 6113671 42795697