Search a number
-
+
27470470 = 2517161591
BaseRepresentation
bin110100011001…
…0101010000110
31220200122101211
41220302222012
524013023340
62420442034
7452331556
oct150625206
956618354
1027470470
1114562a75
12924931a
1358ca821
143911166
1526295ea
hex1a32a86

27470470 has 16 divisors (see below), whose sum is σ = 52355808. Its totient is φ = 10341760.

The previous prime is 27470437. The next prime is 27470479. The reversal of 27470470 is 7407472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27470479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80626 + ... + 80965.

It is an arithmetic number, because the mean of its divisors is an integer number (3272238).

Almost surely, 227470470 is an apocalyptic number.

27470470 is a deficient number, since it is larger than the sum of its proper divisors (24885338).

27470470 is a wasteful number, since it uses less digits than its factorization.

27470470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161615.

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 27470470 is about 5241.2279095647. The cubic root of 27470470 is about 301.7324575260.

The spelling of 27470470 in words is "twenty-seven million, four hundred seventy thousand, four hundred seventy".

Divisors: 1 2 5 10 17 34 85 170 161591 323182 807955 1615910 2747047 5494094 13735235 27470470