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1208828 = 222771091
BaseRepresentation
bin100100111000111111100
32021102012102
410213013330
5302140303
641524232
713163165
oct4470774
92242172
101208828
11756235
124a3678
133342aa
1423676c
1518d288
hex1271fc

1208828 has 12 divisors (see below), whose sum is σ = 2125032. Its totient is φ = 601680.

The previous prime is 1208821. The next prime is 1208833. The reversal of 1208828 is 8288021.

It is a super-2 number, since 2×12088282 = 2922530267168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1208828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563 + ... + 1653.

It is an arithmetic number, because the mean of its divisors is an integer number (177086).

21208828 is an apocalyptic number.

It is an amenable number.

1208828 is a deficient number, since it is larger than the sum of its proper divisors (916204).

1208828 is a wasteful number, since it uses less digits than its factorization.

1208828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1370 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 1208828 is about 1099.4671436655. The cubic root of 1208828 is about 106.5258079946.

The spelling of 1208828 in words is "one million, two hundred eight thousand, eight hundred twenty-eight".

Divisors: 1 2 4 277 554 1091 1108 2182 4364 302207 604414 1208828