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42697043 = 731015791
BaseRepresentation
bin1010001011100…
…0000101010011
32222100020022222
42202320011103
541412301133
64123051255
71025630114
oct242700523
988306288
1042697043
1122112a14
1212370b2b
138acc32c
14595620b
153b35e98
hex28b8153

42697043 has 8 divisors (see below), whose sum is σ = 43718016. Its totient is φ = 41688000.

The previous prime is 42697037. The next prime is 42697063. The reversal of 42697043 is 34079624.

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 42697043 - 24 = 42697027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42696994 and 42697012.

It is not an unprimeable number, because it can be changed into a prime (42697033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4478 + ... + 10268.

It is an arithmetic number, because the mean of its divisors is an integer number (5464752).

Almost surely, 242697043 is an apocalyptic number.

42697043 is a deficient number, since it is larger than the sum of its proper divisors (1020973).

42697043 is a wasteful number, since it uses less digits than its factorization.

42697043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 42697043 is about 6534.2974373685. The cubic root of 42697043 is about 349.5150917584.

The spelling of 42697043 in words is "forty-two million, six hundred ninety-seven thousand, forty-three".

Divisors: 1 73 101 5791 7373 422743 584891 42697043