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425505361 = 1940495531
BaseRepresentation
bin11001010111001…
…011001001010001
31002122122220121211
4121113023021101
51332412132421
6110120020121
713354510261
oct3127131121
91078586554
10425505361
111a9206526
12ba601641
136a201828
14407237a1
15275509e1
hex195cb251

425505361 has 8 divisors (see below), whose sum is σ = 448092000. Its totient is φ = 402937920.

The previous prime is 425505347. The next prime is 425505383. The reversal of 425505361 is 163505524.

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 425505361 - 25 = 425505329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425505331) 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, 74166 + ... + 79696.

It is an arithmetic number, because the mean of its divisors is an integer number (56011500).

Almost surely, 2425505361 is an apocalyptic number.

It is an amenable number.

425505361 is a deficient number, since it is larger than the sum of its proper divisors (22586639).

425505361 is a wasteful number, since it uses less digits than its factorization.

425505361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9599.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 425505361 is about 20627.7812912586. The cubic root of 425505361 is about 752.1451834378.

The spelling of 425505361 in words is "four hundred twenty-five million, five hundred five thousand, three hundred sixty-one".

Divisors: 1 19 4049 5531 76931 105089 22395019 425505361