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42699127 = 193221239
BaseRepresentation
bin1010001011100…
…0100101110111
32222100100012011
42202320211313
541412333002
64123105051
71025636152
oct242704567
988310164
1042699127
1122114539
1212372187
138b00273
145956c99
153b368d7
hex28b8977

42699127 has 4 divisors (see below), whose sum is σ = 42920560. Its totient is φ = 42477696.

The previous prime is 42699119. The next prime is 42699131. The reversal of 42699127 is 72199624.

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 42699127 - 23 = 42699119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42699127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42690127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110427 + ... + 110812.

It is an arithmetic number, because the mean of its divisors is an integer number (10730140).

Almost surely, 242699127 is an apocalyptic number.

42699127 is a deficient number, since it is larger than the sum of its proper divisors (221433).

42699127 is a wasteful number, since it uses less digits than its factorization.

42699127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221432.

The product of its digits is 54432, while the sum is 40.

The square root of 42699127 is about 6534.4569016866. The cubic root of 42699127 is about 349.5207781600.

The spelling of 42699127 in words is "forty-two million, six hundred ninety-nine thousand, one hundred twenty-seven".

Divisors: 1 193 221239 42699127