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425890284 = 223349101693
BaseRepresentation
bin11001011000101…
…001000111101100
31002200101110122020
4121120221013230
51333011442114
6110132150140
713361002431
oct3130510754
91080343566
10425890284
111a9449746
12ba768350
136a307ab1
14407c3b88
15275c9aa9
hex196291ec

425890284 has 24 divisors (see below), whose sum is σ = 996601200. Its totient is φ = 141555264.

The previous prime is 425890279. The next prime is 425890291. The reversal of 425890284 is 482098524.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46659 + ... + 55034.

It is an arithmetic number, because the mean of its divisors is an integer number (41525050).

Almost surely, 2425890284 is an apocalyptic number.

It is an amenable number.

425890284 is an abundant number, since it is smaller than the sum of its proper divisors (570710916).

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

425890284 is a wasteful number, since it uses less digits than its factorization.

425890284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102049 (or 102047 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 425890284 is about 20637.1093906099. The cubic root of 425890284 is about 752.3719183191.

The spelling of 425890284 in words is "four hundred twenty-five million, eight hundred ninety thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 349 698 1047 1396 2094 4188 101693 203386 305079 406772 610158 1220316 35490857 70981714 106472571 141963428 212945142 425890284