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1138808 = 231112941
BaseRepresentation
bin100010110000001111000
32010212011002
410112001320
5242420213
640224132
712452066
oct4260170
92125132
101138808
11708670
1246b048
1330b468
14219036
15177658
hex116078

1138808 has 16 divisors (see below), whose sum is σ = 2329560. Its totient is φ = 517600.

The previous prime is 1138793. The next prime is 1138829. The reversal of 1138808 is 8088311.

It is a happy number.

It is a congruent number.

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, 6383 + ... + 6558.

21138808 is an apocalyptic number.

It is an amenable number.

1138808 is an abundant number, since it is smaller than the sum of its proper divisors (1190752).

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

1138808 is a wasteful number, since it uses less digits than its factorization.

1138808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12958 (or 12954 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 1138808 is about 1067.1494740663. The cubic root of 1138808 is about 104.4279701729.

The spelling of 1138808 in words is "one million, one hundred thirty-eight thousand, eight hundred eight".

Divisors: 1 2 4 8 11 22 44 88 12941 25882 51764 103528 142351 284702 569404 1138808