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425717580 = 223523308491
BaseRepresentation
bin11001010111111…
…110111101001100
31002200001200201210
4121113332331030
51332440430310
6110124334420
713356353061
oct3127767514
91080050653
10425717580
111a9340a12
12ba6a4410
136a2772c2
144077ac68
1527593820
hex195fef4c

425717580 has 48 divisors (see below), whose sum is σ = 1243839744. Its totient is φ = 108588480.

The previous prime is 425717543. The next prime is 425717581. The reversal of 425717580 is 85717524.

It is not an unprimeable number, because it can be changed into a prime (425717581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152866 + ... + 155625.

It is an arithmetic number, because the mean of its divisors is an integer number (25913328).

Almost surely, 2425717580 is an apocalyptic number.

It is an amenable number.

425717580 is an abundant number, since it is smaller than the sum of its proper divisors (818122164).

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

425717580 is a wasteful number, since it uses less digits than its factorization.

425717580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308526 (or 308524 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 425717580 is about 20632.9246593885. The cubic root of 425717580 is about 752.2702057322.

The spelling of 425717580 in words is "four hundred twenty-five million, seven hundred seventeen thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 308491 616982 925473 1233964 1542455 1850946 3084910 3701892 4627365 6169820 7095293 9254730 14190586 18509460 21285879 28381172 35476465 42571758 70952930 85143516 106429395 141905860 212858790 425717580