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1228042 = 21633767
BaseRepresentation
bin100101011110100001010
32022101120001
410223310022
5303244132
642153214
713303204
oct4536412
92271501
101228042
11769712
124b280a
1333cc6a
1423d774
15193ce7
hex12bd0a

1228042 has 8 divisors (see below), whose sum is σ = 1853856. Its totient is φ = 610092.

The previous prime is 1228021. The next prime is 1228091. The reversal of 1228042 is 2408221.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1558 + ... + 2209.

It is an arithmetic number, because the mean of its divisors is an integer number (231732).

21228042 is an apocalyptic number.

1228042 is a deficient number, since it is larger than the sum of its proper divisors (625814).

1228042 is a wasteful number, since it uses less digits than its factorization.

1228042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1228042 is about 1108.1705644891. The cubic root of 1228042 is about 107.0872436039.

The spelling of 1228042 in words is "one million, two hundred twenty-eight thousand, forty-two".

Divisors: 1 2 163 326 3767 7534 614021 1228042