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42760399 = 116535953
BaseRepresentation
bin1010001100011…
…1100011001111
32222110110020111
42203013203033
541421313044
64124300451
71026312613
oct243074317
988413214
1042760399
1122156580
12123a1727
138b22116
145971343
153b49b34
hex28c78cf

42760399 has 8 divisors (see below), whose sum is σ = 46726992. Its totient is φ = 38807040.

The previous prime is 42760397. The next prime is 42760429. The reversal of 42760399 is 99306724.

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 42760399 - 21 = 42760397 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 (42760391) 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, 4207 + ... + 10159.

It is an arithmetic number, because the mean of its divisors is an integer number (5840874).

Almost surely, 242760399 is an apocalyptic number.

42760399 is a deficient number, since it is larger than the sum of its proper divisors (3966593).

42760399 is a wasteful number, since it uses less digits than its factorization.

42760399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6617.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 42760399 is about 6539.1435983621. The cubic root of 42760399 is about 349.6878822913.

The spelling of 42760399 in words is "forty-two million, seven hundred sixty thousand, three hundred ninety-nine".

Divisors: 1 11 653 5953 7183 65483 3887309 42760399