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424601281 = 13161320249
BaseRepresentation
bin11001010011101…
…110011011000001
31002120221222110101
4121103232123001
51332144220111
6110044402401
713344023416
oct3123563301
91076858411
10424601281
111a8749255
12ba246401
1369c76180
144056a10d
1527422bc1
hex194ee6c1

424601281 has 8 divisors (see below), whose sum is σ = 457569000. Its totient is φ = 391677312.

The previous prime is 424601263. The next prime is 424601291. The reversal of 424601281 is 182106424.

It can be written as a sum of positive squares in 4 ways, for example, as 10112400 + 414488881 = 3180^2 + 20359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 424601281 - 27 = 424601153 is a prime.

It is a super-2 number, since 2×4246012812 = 360572495653681922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424601251) 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, 10845 + ... + 31093.

It is an arithmetic number, because the mean of its divisors is an integer number (57196125).

Almost surely, 2424601281 is an apocalyptic number.

It is an amenable number.

424601281 is a deficient number, since it is larger than the sum of its proper divisors (32967719).

424601281 is a wasteful number, since it uses less digits than its factorization.

424601281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21875.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 424601281 is about 20605.8555027448. The cubic root of 424601281 is about 751.6121062610.

The spelling of 424601281 in words is "four hundred twenty-four million, six hundred one thousand, two hundred eighty-one".

Divisors: 1 13 1613 20249 20969 263237 32661637 424601281