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42799503 = 394115161
BaseRepresentation
bin1010001101000…
…1000110001111
32222112102212210
42203101012033
541424041003
64125201503
71026534615
oct243210617
988472783
1042799503
112218299a
1212400293
138b36b66
1459816b5
153b56503
hex28d118f

42799503 has 8 divisors (see below), whose sum is σ = 57130416. Its totient is φ = 28500800.

The previous prime is 42799501. The next prime is 42799507. The reversal of 42799503 is 30599724.

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 42799503 - 21 = 42799501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42799501) 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, 4758 + ... + 10403.

It is an arithmetic number, because the mean of its divisors is an integer number (7141302).

Almost surely, 242799503 is an apocalyptic number.

42799503 is a deficient number, since it is larger than the sum of its proper divisors (14330913).

42799503 is a wasteful number, since it uses less digits than its factorization.

42799503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16105.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 42799503 is about 6542.1329090748. The cubic root of 42799503 is about 349.7944452879.

The spelling of 42799503 in words is "forty-two million, seven hundred ninety-nine thousand, five hundred three".

Divisors: 1 3 941 2823 15161 45483 14266501 42799503