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1283228 = 2217113167
BaseRepresentation
bin100111001010010011100
32102012020222
410321102130
5312030403
643300512
713623122
oct4712234
92365228
101283228
117a7121
1251a738
1335c10b
14255912
151a5338
hex13949c

1283228 has 24 divisors (see below), whose sum is σ = 2413152. Its totient is φ = 594944.

The previous prime is 1283207. The next prime is 1283237. The reversal of 1283228 is 8223821.

It is a junction number, because it is equal to n+sod(n) for n = 1283197 and 1283206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7601 + ... + 7767.

It is an arithmetic number, because the mean of its divisors is an integer number (100548).

21283228 is an apocalyptic number.

It is an amenable number.

1283228 is a deficient number, since it is larger than the sum of its proper divisors (1129924).

1283228 is a wasteful number, since it uses less digits than its factorization.

1283228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 299 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 1283228 is about 1132.7965395427. The cubic root of 1283228 is about 108.6679003377.

The spelling of 1283228 in words is "one million, two hundred eighty-three thousand, two hundred twenty-eight".

Divisors: 1 2 4 17 34 68 113 167 226 334 452 668 1921 2839 3842 5678 7684 11356 18871 37742 75484 320807 641614 1283228