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424451140 = 22521222557
BaseRepresentation
bin11001010011001…
…001110001000100
31002120200100111121
4121103021301010
51332124414030
6110041243324
713342526611
oct3123116104
91076610447
10424451140
111a8656473
12ba193544
1369c22a29
144052b508
15273e347a
hex194c9c44

424451140 has 12 divisors (see below), whose sum is σ = 891347436. Its totient is φ = 169780448.

The previous prime is 424451129. The next prime is 424451143. The reversal of 424451140 is 41154424.

It can be written as a sum of positive squares in 2 ways, for example, as 268500996 + 155950144 = 16386^2 + 12488^2 .

It is not an unprimeable number, because it can be changed into a prime (424451143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10611259 + ... + 10611298.

It is an arithmetic number, because the mean of its divisors is an integer number (74278953).

Almost surely, 2424451140 is an apocalyptic number.

It is an amenable number.

424451140 is an abundant number, since it is smaller than the sum of its proper divisors (466896296).

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

424451140 is a wasteful number, since it uses less digits than its factorization.

424451140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21222566 (or 21222564 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 424451140 is about 20602.2120171597. The cubic root of 424451140 is about 751.5235046308.

The spelling of 424451140 in words is "four hundred twenty-four million, four hundred fifty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 21222557 42445114 84890228 106112785 212225570 424451140