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42272903 = 711513943
BaseRepresentation
bin1010000101000…
…0100010000111
32221112200112002
42201100202013
541310213103
64110015515
71022212421
oct241204207
987480462
1042272903
1121953292
12121a759b
1389b126a
145885811
153aa0488
hex2850887

42272903 has 8 divisors (see below), whose sum is σ = 43163136. Its totient is φ = 41391000.

The previous prime is 42272899. The next prime is 42272917. The reversal of 42272903 is 30927224.

It is a happy number.

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 42272903 - 22 = 42272899 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 (42272963) 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, 8750 + ... + 12692.

It is an arithmetic number, because the mean of its divisors is an integer number (5395392).

Almost surely, 242272903 is an apocalyptic number.

42272903 is a deficient number, since it is larger than the sum of its proper divisors (890233).

42272903 is a wasteful number, since it uses less digits than its factorization.

42272903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 42272903 is about 6501.7615305392. The cubic root of 42272903 is about 348.3539112151.

The spelling of 42272903 in words is "forty-two million, two hundred seventy-two thousand, nine hundred three".

Divisors: 1 71 151 3943 10721 279953 595393 42272903