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42790503 = 372037643
BaseRepresentation
bin1010001100111…
…0111001100111
32222111222112110
42203032321213
541423244003
64125052103
71026466440
oct243167147
988458473
1042790503
1122177158
12123b7033
138b32a32
14597c2c7
153b53a03
hex28cee67

42790503 has 8 divisors (see below), whose sum is σ = 65204608. Its totient is φ = 24451704.

The previous prime is 42790499. The next prime is 42790519. The reversal of 42790503 is 30509724.

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

It is not a de Polignac number, because 42790503 - 22 = 42790499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42790523) 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, 1018801 + ... + 1018842.

It is an arithmetic number, because the mean of its divisors is an integer number (8150576).

Almost surely, 242790503 is an apocalyptic number.

42790503 is a deficient number, since it is larger than the sum of its proper divisors (22414105).

42790503 is a wasteful number, since it uses less digits than its factorization.

42790503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037653.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 42790503 is about 6541.4450238460. The cubic root of 42790503 is about 349.7699249821.

The spelling of 42790503 in words is "forty-two million, seven hundred ninety thousand, five hundred three".

Divisors: 1 3 7 21 2037643 6112929 14263501 42790503