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422555717 = 4128136677
BaseRepresentation
bin11001001011111…
…011000001000101
31002110010001110202
4121023323001011
51331133240332
6105532500245
713320443603
oct3113730105
91073101422
10422555717
111a7581401
12b961a685
136970b08c
1440196873
152716ba62
hex192fb045

422555717 has 8 divisors (see below), whose sum is σ = 434414232. Its totient is φ = 410771200.

The previous prime is 422555681. The next prime is 422555737. The reversal of 422555717 is 717555224.

It can be written as a sum of positive squares in 4 ways, for example, as 104325796 + 318229921 = 10214^2 + 17839^2 .

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 422555717 - 28 = 422555461 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 (422555737) 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, 6818 + ... + 29859.

It is an arithmetic number, because the mean of its divisors is an integer number (54301779).

Almost surely, 2422555717 is an apocalyptic number.

It is an amenable number.

422555717 is a deficient number, since it is larger than the sum of its proper divisors (11858515).

422555717 is a wasteful number, since it uses less digits than its factorization.

422555717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36999.

The product of its digits is 98000, while the sum is 38.

The square root of 422555717 is about 20556.1600742940. The cubic root of 422555717 is about 750.4031710838.

The spelling of 422555717 in words is "four hundred twenty-two million, five hundred fifty-five thousand, seven hundred seventeen".

Divisors: 1 41 281 11521 36677 1503757 10306237 422555717