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42912067 = 115776761
BaseRepresentation
bin1010001110110…
…0100101000011
32222202011021211
42203230211003
541441141232
64131430551
71030514032
oct243544503
988664254
1042912067
112224a520
1212455457
138b76173
1459b0719
153b79a47
hex28ec943

42912067 has 8 divisors (see below), whose sum is σ = 46901232. Its totient is φ = 38937600.

The previous prime is 42912053. The next prime is 42912071. The reversal of 42912067 is 76021924.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42912067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42912007) 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, 2967 + ... + 9727.

It is an arithmetic number, because the mean of its divisors is an integer number (5862654).

Almost surely, 242912067 is an apocalyptic number.

42912067 is a deficient number, since it is larger than the sum of its proper divisors (3989165).

42912067 is a wasteful number, since it uses less digits than its factorization.

42912067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7349.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 42912067 is about 6550.7302646346. The cubic root of 42912067 is about 350.1008335325.

The spelling of 42912067 in words is "forty-two million, nine hundred twelve thousand, sixty-seven".

Divisors: 1 11 577 6347 6761 74371 3901097 42912067