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42422897 = 114389689
BaseRepresentation
bin1010000111010…
…1001001110001
32221211022021102
42201311021301
541330013042
64113134145
71023405626
oct241651161
987738242
1042422897
1121a45a50
121225a355
138a3460a
1458c434d
153aceb32
hex2875271

42422897 has 8 divisors (see below), whose sum is σ = 47356320. Its totient is φ = 37668960.

The previous prime is 42422893. The next prime is 42422903. The reversal of 42422897 is 79822424.

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 42422897 - 22 = 42422893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42422897.

It is not an unprimeable number, because it can be changed into a prime (42422893) 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, 44372 + ... + 45317.

It is an arithmetic number, because the mean of its divisors is an integer number (5919540).

Almost surely, 242422897 is an apocalyptic number.

It is an amenable number.

42422897 is a deficient number, since it is larger than the sum of its proper divisors (4933423).

42422897 is a wasteful number, since it uses less digits than its factorization.

42422897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89743.

The product of its digits is 64512, while the sum is 38.

The square root of 42422897 is about 6513.2861905493. The cubic root of 42422897 is about 348.7654381813.

The spelling of 42422897 in words is "forty-two million, four hundred twenty-two thousand, eight hundred ninety-seven".

Divisors: 1 11 43 473 89689 986579 3856627 42422897