Search a number
-
+
27958152 = 2332295087
BaseRepresentation
bin110101010100…
…1101110001000
31221121102101010
41222221232020
524124130102
62435123520
7456432435
oct152515610
957542333
1027958152
1114866412
1294435a0
135a3b7b1
1439dab8c
1526c3d6c
hex1aa9b88

27958152 has 32 divisors (see below), whose sum is σ = 70214400. Its totient is φ = 9276864.

The previous prime is 27958123. The next prime is 27958157. The reversal of 27958152 is 25185972.

It is a self number, because there is not a number n which added to its sum of digits gives 27958152.

It is not an unprimeable number, because it can be changed into a prime (27958157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2953 + ... + 8039.

It is an arithmetic number, because the mean of its divisors is an integer number (2194200).

Almost surely, 227958152 is an apocalyptic number.

It is an amenable number.

27958152 is an abundant number, since it is smaller than the sum of its proper divisors (42256248).

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

27958152 is a wasteful number, since it uses less digits than its factorization.

27958152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325 (or 5321 counting only the distinct ones).

The product of its digits is 50400, while the sum is 39.

The square root of 27958152 is about 5287.5468792248. The cubic root of 27958152 is about 303.5075417881.

The spelling of 27958152 in words is "twenty-seven million, nine hundred fifty-eight thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 229 458 687 916 1374 1832 2748 5087 5496 10174 15261 20348 30522 40696 61044 122088 1164923 2329846 3494769 4659692 6989538 9319384 13979076 27958152