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42952219 = 294731513
BaseRepresentation
bin1010001111011…
…0011000011011
32222211012100221
42203312120123
541443432334
64132340511
71031042062
oct243663033
988735327
1042952219
1122277702
1212474737
138b8b51b
1459c11d9
153b868b4
hex28f661b

42952219 has 8 divisors (see below), whose sum is σ = 45380160. Its totient is φ = 40587456.

The previous prime is 42952187. The next prime is 42952223. The reversal of 42952219 is 91225924.

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 42952219 - 25 = 42952187 is a prime.

It is a super-2 number, since 2×429522192 = 3689786234047922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42952229) 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, 14394 + ... + 17119.

It is an arithmetic number, because the mean of its divisors is an integer number (5672520).

Almost surely, 242952219 is an apocalyptic number.

42952219 is a deficient number, since it is larger than the sum of its proper divisors (2427941).

42952219 is a wasteful number, since it uses less digits than its factorization.

42952219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31589.

The product of its digits is 12960, while the sum is 34.

The square root of 42952219 is about 6553.7942445579. The cubic root of 42952219 is about 350.2099937102.

The spelling of 42952219 in words is "forty-two million, nine hundred fifty-two thousand, two hundred nineteen".

Divisors: 1 29 47 1363 31513 913877 1481111 42952219