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4281290 = 251332933
BaseRepresentation
bin10000010101001111001010
322001111211022
4100111033022
52044000130
6231432442
751250616
oct20251712
98044738
104281290
112464662
121525722
13b6b910
147d6346
155987e5
hex4153ca

4281290 has 16 divisors (see below), whose sum is σ = 8299368. Its totient is φ = 1580736.

The previous prime is 4281283. The next prime is 4281293. The reversal of 4281290 is 921824.

It can be written as a sum of positive squares in 4 ways, for example, as 1495729 + 2785561 = 1223^2 + 1669^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4281293) 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, 16337 + ... + 16596.

Almost surely, 24281290 is an apocalyptic number.

4281290 is a deficient number, since it is larger than the sum of its proper divisors (4018078).

4281290 is a wasteful number, since it uses less digits than its factorization.

4281290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32953.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 4281290 is about 2069.1278355868. The cubic root of 4281290 is about 162.3771378997.

The spelling of 4281290 in words is "four million, two hundred eighty-one thousand, two hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 32933 65866 164665 329330 428129 856258 2140645 4281290