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42867911 = 43997649
BaseRepresentation
bin1010001110000…
…1110011000111
32222122220201102
42203201303013
541433233121
64130450315
71030241222
oct243416307
988586642
1042867911
112221a329
121243399b
138b5c038
14599c5b9
153b6b90b
hex28e1cc7

42867911 has 4 divisors (see below), whose sum is σ = 42966000. Its totient is φ = 42769824.

The previous prime is 42867899. The next prime is 42867943. The reversal of 42867911 is 11976824.

42867911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42867911 - 214 = 42851527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42867311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48386 + ... + 49263.

It is an arithmetic number, because the mean of its divisors is an integer number (10741500).

Almost surely, 242867911 is an apocalyptic number.

42867911 is a deficient number, since it is larger than the sum of its proper divisors (98089).

42867911 is an equidigital number, since it uses as much as digits as its factorization.

42867911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98088.

The product of its digits is 24192, while the sum is 38.

The square root of 42867911 is about 6547.3590859216. The cubic root of 42867911 is about 349.9807091409.

The spelling of 42867911 in words is "forty-two million, eight hundred sixty-seven thousand, nine hundred eleven".

Divisors: 1 439 97649 42867911