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4280292 = 2232118897
BaseRepresentation
bin10000010100111111100100
322001110110100
4100110333210
52043432132
6231424100
751244662
oct20247744
98043410
104280292
112463935
121525030
13b6b323
147d5c32
1559837c
hex414fe4

4280292 has 18 divisors (see below), whose sum is σ = 10819718. Its totient is φ = 1426752.

The previous prime is 4280267. The next prime is 4280329. The reversal of 4280292 is 2920824.

It can be written as a sum of positive squares in only one way, i.e., 2359296 + 1920996 = 1536^2 + 1386^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59413 + ... + 59484.

Almost surely, 24280292 is an apocalyptic number.

It is an amenable number.

4280292 is an abundant number, since it is smaller than the sum of its proper divisors (6539426).

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

4280292 is a wasteful number, since it uses less digits than its factorization.

4280292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118907 (or 118902 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 4280292 is about 2068.8866571178. The cubic root of 4280292 is about 162.3645198199.

The spelling of 4280292 in words is "four million, two hundred eighty thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 118897 237794 356691 475588 713382 1070073 1426764 2140146 4280292