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42270519 = 354725759
BaseRepresentation
bin1010000100111…
…1111100110111
32221112120020210
42201033330313
541310124034
64110000503
71022202444
oct241177467
987476223
1042270519
1121951515
12121a6133
1389b0155
1458849cb
153a9e8e9
hex284ff37

42270519 has 8 divisors (see below), whose sum is σ = 56465920. Its totient is φ = 28127736.

The previous prime is 42270493. The next prime is 42270533. The reversal of 42270519 is 91507224.

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

It is not a de Polignac number, because 42270519 - 215 = 42237751 is a prime.

It is a super-2 number, since 2×422705192 = 3573593553058722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42270919) 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, 11239 + ... + 14520.

It is an arithmetic number, because the mean of its divisors is an integer number (7058240).

Almost surely, 242270519 is an apocalyptic number.

42270519 is a deficient number, since it is larger than the sum of its proper divisors (14195401).

42270519 is a wasteful number, since it uses less digits than its factorization.

42270519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26309.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 42270519 is about 6501.5781930236. The cubic root of 42270519 is about 348.3473625651.

The spelling of 42270519 in words is "forty-two million, two hundred seventy thousand, five hundred nineteen".

Divisors: 1 3 547 1641 25759 77277 14090173 42270519