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42992303 = 1743103571
BaseRepresentation
bin1010010000000…
…0001010101111
32222220020100112
42210000022233
542001223203
64133250235
71031266664
oct244001257
988806315
1042992303
11222a4832
121249397b
138ba3843
1459d1a6b
153b936d8
hex29002af

42992303 has 16 divisors (see below), whose sum is σ = 47114496. Its totient is φ = 39070080.

The previous prime is 42992293. The next prime is 42992309. The reversal of 42992303 is 30329924.

It is not a de Polignac number, because 42992303 - 210 = 42991279 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 42992303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42992309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75008 + ... + 75578.

It is an arithmetic number, because the mean of its divisors is an integer number (2944656).

Almost surely, 242992303 is an apocalyptic number.

42992303 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42992303 is a deficient number, since it is larger than the sum of its proper divisors (4122193).

42992303 is a wasteful number, since it uses less digits than its factorization.

42992303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 42992303 is about 6556.8516072884. The cubic root of 42992303 is about 350.3189011829.

The spelling of 42992303 in words is "forty-two million, nine hundred ninety-two thousand, three hundred three".

Divisors: 1 17 43 103 571 731 1751 4429 9707 24553 58813 75293 417401 999821 2528959 42992303