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42102263 = 737162557
BaseRepresentation
bin1010000010011…
…0110111110111
32221020000110002
42200212313313
541234233023
64102221515
71020602060
oct240466767
987200402
1042102263
1121847065
121212489b
1389516a8
14583d567
153a69b28
hex2826df7

42102263 has 8 divisors (see below), whose sum is σ = 49417632. Its totient is φ = 35112096.

The previous prime is 42102257. The next prime is 42102283. The reversal of 42102263 is 36220124.

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 42102263 - 26 = 42102199 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 (42102283) 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, 81020 + ... + 81537.

It is an arithmetic number, because the mean of its divisors is an integer number (6177204).

Almost surely, 242102263 is an apocalyptic number.

42102263 is a deficient number, since it is larger than the sum of its proper divisors (7315369).

42102263 is a wasteful number, since it uses less digits than its factorization.

42102263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162601.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 42102263 is about 6488.6256634206. The cubic root of 42102263 is about 347.8845540124.

Adding to 42102263 its reverse (36220124), we get a palindrome (78322387).

The spelling of 42102263 in words is "forty-two million, one hundred two thousand, two hundred sixty-three".

Divisors: 1 7 37 259 162557 1137899 6014609 42102263