Search a number
-
+
27270901 = 73433
BaseRepresentation
bin110100000000…
…1111011110101
31220022111122101
41220001323311
523440132101
62412302101
7450541000
oct150017365
956274571
1027270901
1114437039
129171931
13585aa38
14389c537
1525da401
hex1a01ef5

27270901 has 16 divisors (see below), whose sum is σ = 32560000. Its totient is φ = 22831452.

The previous prime is 27270889. The next prime is 27270911. The reversal of 27270901 is 10907272.

It is a happy number.

The cubic root of 27270901 is 301.

It is a perfect power (a cube), and thus also a powerful number.

It is not a de Polignac number, because 27270901 - 223 = 18882293 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27270901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27270911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634186 + ... + 634228.

It is an arithmetic number, because the mean of its divisors is an integer number (2035000).

Almost surely, 227270901 is an apocalyptic number.

It is an amenable number.

27270901 is a deficient number, since it is larger than the sum of its proper divisors (5289099).

27270901 is an frugal number, since it uses more digits than its factorization.

27270901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 27270901 is about 5222.1548234421.

The spelling of 27270901 in words is "twenty-seven million, two hundred seventy thousand, nine hundred one".

Divisors: 1 7 43 49 301 343 1849 2107 12943 14749 79507 90601 556549 634207 3895843 27270901