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42387711 = 334694073
BaseRepresentation
bin1010000110110…
…0100011111111
32221202112000020
42201230203333
541322401321
64112303223
71023201222
oct241544377
987675006
1042387711
1121a21573
1212241b13
138a215b2
1458b55b9
153ac44c6
hex286c8ff

42387711 has 8 divisors (see below), whose sum is σ = 56547120. Its totient is φ = 28243392.

The previous prime is 42387679. The next prime is 42387713. The reversal of 42387711 is 11778324.

It is a happy number.

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

It is not a de Polignac number, because 42387711 - 25 = 42387679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42387713) 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, 8371 + ... + 12443.

It is an arithmetic number, because the mean of its divisors is an integer number (7068390).

Almost surely, 242387711 is an apocalyptic number.

42387711 is a deficient number, since it is larger than the sum of its proper divisors (14159409).

42387711 is a wasteful number, since it uses less digits than its factorization.

42387711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7545.

The product of its digits is 9408, while the sum is 33.

The square root of 42387711 is about 6510.5845359691. The cubic root of 42387711 is about 348.6689882616.

The spelling of 42387711 in words is "forty-two million, three hundred eighty-seven thousand, seven hundred eleven".

Divisors: 1 3 3469 4073 10407 12219 14129237 42387711