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10990028 = 2273891009
BaseRepresentation
bin101001111011…
…000111001100
3202200100111002
4221323013030
510303140103
61031315432
7162261620
oct51730714
922610432
1010990028
116226a75
12381bb78
13237a39a
141661180
15e71488
hexa7b1cc

10990028 has 24 divisors (see below), whose sum is σ = 22058400. Its totient is φ = 4693248.

The previous prime is 10990013. The next prime is 10990033. The reversal of 10990028 is 82009901.

It is a super-3 number, since 3×109900283 (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10388 + ... + 11396.

It is an arithmetic number, because the mean of its divisors is an integer number (919100).

Almost surely, 210990028 is an apocalyptic number.

It is an amenable number.

10990028 is an abundant number, since it is smaller than the sum of its proper divisors (11068372).

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

10990028 is a wasteful number, since it uses less digits than its factorization.

10990028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409 (or 1407 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 10990028 is about 3315.1211139263. The cubic root of 10990028 is about 222.3307841039.

Adding to 10990028 its reverse (82009901), we get a palindrome (92999929).

The spelling of 10990028 in words is "ten million, nine hundred ninety thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 389 778 1009 1556 2018 2723 4036 5446 7063 10892 14126 28252 392501 785002 1570004 2747507 5495014 10990028