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8061138 = 232447841
BaseRepresentation
bin11110110000000011010010
3120011112210200
4132300003102
54030424023
6444440030
7125342601
oct36600322
916145720
108061138
1146064a8
122849016
131893207
1410dba38
15a93743
hex7b00d2

8061138 has 12 divisors (see below), whose sum is σ = 17465838. Its totient is φ = 2687040.

The previous prime is 8061121. The next prime is 8061143. The reversal of 8061138 is 8311608.

It can be written as a sum of positive squares in only one way, i.e., 7969329 + 91809 = 2823^2 + 303^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 223903 + ... + 223938.

Almost surely, 28061138 is an apocalyptic number.

8061138 is an abundant number, since it is smaller than the sum of its proper divisors (9404700).

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

8061138 is a wasteful number, since it uses less digits than its factorization.

8061138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447849 (or 447846 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 8061138 is about 2839.2143279436. The cubic root of 8061138 is about 200.5081909494.

The spelling of 8061138 in words is "eight million, sixty-one thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 9 18 447841 895682 1343523 2687046 4030569 8061138