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42940767 = 361461509
BaseRepresentation
bin1010001111001…
…1100101011111
32222210121122210
42203303211133
541443101032
64132211503
71030663512
oct243634537
988717583
1042940767
112226a041
1212469b93
138b8624c
1459bad79
153b832cc
hex28f395f

42940767 has 16 divisors (see below), whose sum is σ = 58433760. Its totient is φ = 28041600.

The previous prime is 42940721. The next prime is 42940823. The reversal of 42940767 is 76704924.

It is not a de Polignac number, because 42940767 - 28 = 42940511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42940067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84109 + ... + 84617.

It is an arithmetic number, because the mean of its divisors is an integer number (3652110).

Almost surely, 242940767 is an apocalyptic number.

42940767 is a deficient number, since it is larger than the sum of its proper divisors (15492993).

42940767 is a wasteful number, since it uses less digits than its factorization.

42940767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 42940767 is about 6552.9204939477. The cubic root of 42940767 is about 350.1788663984.

The spelling of 42940767 in words is "forty-two million, nine hundred forty thousand, seven hundred sixty-seven".

Divisors: 1 3 61 183 461 509 1383 1527 28121 31049 84363 93147 234649 703947 14313589 42940767