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424430717 = 2931448569
BaseRepresentation
bin11001010011000…
…100110001111101
31002120122022111012
4121103010301331
51332123240332
6110041005005
713342413224
oct3123046175
91076568435
10424430717
111a8642097
12ba183765
1369c16649
1440523cbb
15273dc3b2
hex194c4c7d

424430717 has 4 divisors (see below), whose sum is σ = 425879580. Its totient is φ = 422981856.

The previous prime is 424430693. The next prime is 424430723. The reversal of 424430717 is 717034424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 383611396 + 40819321 = 19586^2 + 6389^2 .

It is a cyclic number.

It is not a de Polignac number, because 424430717 - 212 = 424426621 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 (424430767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723992 + ... + 724577.

It is an arithmetic number, because the mean of its divisors is an integer number (106469895).

Almost surely, 2424430717 is an apocalyptic number.

It is an amenable number.

424430717 is a deficient number, since it is larger than the sum of its proper divisors (1448863).

424430717 is a wasteful number, since it uses less digits than its factorization.

424430717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448862.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 424430717 is about 20601.7163605366. The cubic root of 424430717 is about 751.5114509382.

The spelling of 424430717 in words is "four hundred twenty-four million, four hundred thirty thousand, seven hundred seventeen".

Divisors: 1 293 1448569 424430717