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1138156 = 22284539
BaseRepresentation
bin100010101110111101100
32010211020221
410111313230
5242410111
640221124
712450145
oct4256754
92124227
101138156
11708128
1246a7a4
1330b086
14218acc
15177371
hex115dec

1138156 has 6 divisors (see below), whose sum is σ = 1991780. Its totient is φ = 569076.

The previous prime is 1138147. The next prime is 1138171. The reversal of 1138156 is 6518311.

It is a self number, because there is not a number n which added to its sum of digits gives 1138156.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142266 + ... + 142273.

21138156 is an apocalyptic number.

It is an amenable number.

1138156 is a deficient number, since it is larger than the sum of its proper divisors (853624).

1138156 is a wasteful number, since it uses less digits than its factorization.

1138156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284543 (or 284541 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

The square root of 1138156 is about 1066.8439436019. The cubic root of 1138156 is about 104.4080370397.

The spelling of 1138156 in words is "one million, one hundred thirty-eight thousand, one hundred fifty-six".

Divisors: 1 2 4 284539 569078 1138156