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42799542 = 237133257
BaseRepresentation
bin1010001101000…
…1000110110110
32222112102221020
42203101012312
541424041132
64125202010
71026535002
oct243210666
988472836
1042799542
1122182a25
1212400306
138b36b96
145981702
153b5652c
hex28d11b6

42799542 has 8 divisors (see below), whose sum is σ = 85599096. Its totient is φ = 14266512.

The previous prime is 42799529. The next prime is 42799543. The reversal of 42799542 is 24599724.

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

42799542 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 42799494 and 42799503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42799543) 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, 3566623 + ... + 3566634.

It is an arithmetic number, because the mean of its divisors is an integer number (10699887).

Almost surely, 242799542 is an apocalyptic number.

42799542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42799542 is a wasteful number, since it uses less digits than its factorization.

42799542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7133262.

The product of its digits is 181440, while the sum is 42.

The square root of 42799542 is about 6542.1358897534. The cubic root of 42799542 is about 349.7945515351.

The spelling of 42799542 in words is "forty-two million, seven hundred ninety-nine thousand, five hundred forty-two".

Divisors: 1 2 3 6 7133257 14266514 21399771 42799542