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4571240 = 235114281
BaseRepresentation
bin10001011100000001101000
322121020120012
4101130001220
52132234430
6241551052
753566142
oct21340150
98536505
104571240
112642493
121645488
13c4089b
1486dc92
15604695
hex45c068

4571240 has 16 divisors (see below), whose sum is σ = 10285380. Its totient is φ = 1828480.

The previous prime is 4571233. The next prime is 4571251. The reversal of 4571240 is 421754.

It can be written as a sum of positive squares in 2 ways, for example, as 4571044 + 196 = 2138^2 + 14^2 .

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, 57101 + ... + 57180.

Almost surely, 24571240 is an apocalyptic number.

4571240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4571240 is an abundant number, since it is smaller than the sum of its proper divisors (5714140).

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

4571240 is a wasteful number, since it uses less digits than its factorization.

4571240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114292 (or 114288 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 4571240 is about 2138.0458367397. The cubic root of 4571240 is about 165.9630246189.

Adding to 4571240 its reverse (421754), we get a palindrome (4992994).

The spelling of 4571240 in words is "four million, five hundred seventy-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 114281 228562 457124 571405 914248 1142810 2285620 4571240