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425450540 = 22521272527
BaseRepresentation
bin11001010110111…
…101110000101100
31002122120010102102
4121112331300230
51332403404130
6110114514232
713354161404
oct3126756054
91078503372
10425450540
111a9179319
12ba595978
136a1b28a8
144070b804
152753e645
hex195bdc2c

425450540 has 12 divisors (see below), whose sum is σ = 893446176. Its totient is φ = 170180208.

The previous prime is 425450521. The next prime is 425450567. The reversal of 425450540 is 45054524.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10636244 + ... + 10636283.

It is an arithmetic number, because the mean of its divisors is an integer number (74453848).

Almost surely, 2425450540 is an apocalyptic number.

It is an amenable number.

425450540 is an abundant number, since it is smaller than the sum of its proper divisors (467995636).

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

425450540 is a wasteful number, since it uses less digits than its factorization.

425450540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21272536 (or 21272534 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 425450540 is about 20626.4524337075. The cubic root of 425450540 is about 752.1128805765.

The spelling of 425450540 in words is "four hundred twenty-five million, four hundred fifty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 21272527 42545054 85090108 106362635 212725270 425450540