[go: up one dir, main page]

Search a number
-
+
27484019 = 1710116007
BaseRepresentation
bin110100011010…
…1111101110011
31220201022222122
41220311331303
524013442034
62421024455
7452416223
oct150657563
956638878
1027484019
1114572172
12925512b
135903a44
143916083
15262d62e
hex1a35f73

27484019 has 8 divisors (see below), whose sum is σ = 29390688. Its totient is φ = 25609600.

The previous prime is 27483997. The next prime is 27484031. The reversal of 27484019 is 91048472.

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

It is a cyclic number.

It is not a de Polignac number, because 27484019 - 212 = 27479923 is a prime.

It is a super-2 number, since 2×274840192 = 1510742600784722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27484019.

It is not an unprimeable number, because it can be changed into a prime (27484069) 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, 6287 + ... + 9720.

It is an arithmetic number, because the mean of its divisors is an integer number (3673836).

Almost surely, 227484019 is an apocalyptic number.

27484019 is a deficient number, since it is larger than the sum of its proper divisors (1906669).

27484019 is a wasteful number, since it uses less digits than its factorization.

27484019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16125.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 27484019 is about 5242.5202908525. The cubic root of 27484019 is about 301.7820562542.

The spelling of 27484019 in words is "twenty-seven million, four hundred eighty-four thousand, nineteen".

Divisors: 1 17 101 1717 16007 272119 1616707 27484019