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425461540 = 22573039011
BaseRepresentation
bin11001010111000…
…000011100100100
31002122120200111211
4121113000130210
51332404232130
6110115041204
713354235440
oct3127003444
91078520454
10425461540
111a9186609
12ba5a0204
136a1b78ba
1440711820
1527542a2a
hex195c0724

425461540 has 24 divisors (see below), whose sum is σ = 1021108032. Its totient is φ = 145872480.

The previous prime is 425461537. The next prime is 425461549. The reversal of 425461540 is 45164524.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (425461549) 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, 1519366 + ... + 1519645.

It is an arithmetic number, because the mean of its divisors is an integer number (42546168).

Almost surely, 2425461540 is an apocalyptic number.

It is an amenable number.

425461540 is an abundant number, since it is smaller than the sum of its proper divisors (595646492).

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

425461540 is a wasteful number, since it uses less digits than its factorization.

425461540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039027 (or 3039025 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 425461540 is about 20626.7190798731. The cubic root of 425461540 is about 752.1193624661.

The spelling of 425461540 in words is "four hundred twenty-five million, four hundred sixty-one thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 3039011 6078022 12156044 15195055 21273077 30390110 42546154 60780220 85092308 106365385 212730770 425461540