Search a number
-
+
27152641 = 107253763
BaseRepresentation
bin110011110010…
…1000100000001
31220002111102101
41213211010001
523422341031
62405550401
7446536135
oct147450401
956074371
1027152641
11143661aa
129115401
135818c69
14386b3c5
1525b5361
hex19e5101

27152641 has 4 divisors (see below), whose sum is σ = 27406512. Its totient is φ = 26898772.

The previous prime is 27152639. The next prime is 27152647. The reversal of 27152641 is 14625172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27152641 - 21 = 27152639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27152647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126775 + ... + 126988.

It is an arithmetic number, because the mean of its divisors is an integer number (6851628).

Almost surely, 227152641 is an apocalyptic number.

It is an amenable number.

27152641 is a deficient number, since it is larger than the sum of its proper divisors (253871).

27152641 is a wasteful number, since it uses less digits than its factorization.

27152641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253870.

The product of its digits is 3360, while the sum is 28.

The square root of 27152641 is about 5210.8196092362. The cubic root of 27152641 is about 300.5642750173.

It can be divided in two parts, 2715 and 2641, that added together give a triangular number (5356 = T103).

The spelling of 27152641 in words is "twenty-seven million, one hundred fifty-two thousand, six hundred forty-one".

Divisors: 1 107 253763 27152641