Search a number
-
+
27139758 = 234523293
BaseRepresentation
bin110011110000…
…1111010101110
31220001211202020
41213201322232
523421433013
62405411010
7446453442
oct147417256
956054666
1027139758
1114357558
129109a66
135813139
143866822
1525b1623
hex19e1eae

27139758 has 8 divisors (see below), whose sum is σ = 54279528. Its totient is φ = 9046584.

The previous prime is 27139741. The next prime is 27139781. The reversal of 27139758 is 85793172.

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

27139758 is an admirable 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, 2261641 + ... + 2261652.

It is an arithmetic number, because the mean of its divisors is an integer number (6784941).

Almost surely, 227139758 is an apocalyptic number.

27139758 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27139758 is a wasteful number, since it uses less digits than its factorization.

27139758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4523298.

The product of its digits is 105840, while the sum is 42.

The square root of 27139758 is about 5209.5832846783. The cubic root of 27139758 is about 300.5167316725.

The spelling of 27139758 in words is "twenty-seven million, one hundred thirty-nine thousand, seven hundred fifty-eight".

Divisors: 1 2 3 6 4523293 9046586 13569879 27139758