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425216470 = 25783163449
BaseRepresentation
bin11001010110000…
…100100111010110
31002122010020100011
4121112010213112
51332323411340
6110105510434
713352165110
oct3126044726
91078106304
10425216470
111a9029478
12ba4a241a
136a1301a3
144068a3b0
15274e50ea
hex195849d6

425216470 has 64 divisors (see below), whose sum is σ = 892684800. Its totient is φ = 142829568.

The previous prime is 425216383. The next prime is 425216471. The reversal of 425216470 is 74612524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425216471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 946806 + ... + 947254.

It is an arithmetic number, because the mean of its divisors is an integer number (13948200).

Almost surely, 2425216470 is an apocalyptic number.

425216470 is an abundant number, since it is smaller than the sum of its proper divisors (467468330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425216470 is a wasteful number, since it uses less digits than its factorization.

425216470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 425216470 is about 20620.7776284019. Note that the first 3 decimals coincide. The cubic root of 425216470 is about 751.9749253654.

Adding to 425216470 its reverse (74612524), we get a palindrome (499828994).

The spelling of 425216470 in words is "four hundred twenty-five million, two hundred sixteen thousand, four hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 83 163 166 326 415 449 581 815 830 898 1141 1162 1630 2245 2282 2905 3143 4490 5705 5810 6286 11410 13529 15715 27058 31430 37267 67645 73187 74534 94703 135290 146374 186335 189406 260869 365935 372670 473515 512309 521738 731870 947030 1024618 1304345 2561545 2608690 5123090 6074521 12149042 30372605 42521647 60745210 85043294 212608235 425216470