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27970792 = 233496349
BaseRepresentation
bin110101010110…
…0110011101000
31221122001201021
41222230303220
524130031132
62435302224
7456514333
oct152546350
957561637
1027970792
1114874963
12944a974
135a44485
143a0161a
1526c7997
hex1aacce8

27970792 has 8 divisors (see below), whose sum is σ = 52445250. Its totient is φ = 13985392.

The previous prime is 27970741. The next prime is 27970799. The reversal of 27970792 is 29707972.

It can be written as a sum of positive squares in only one way, i.e., 27185796 + 784996 = 5214^2 + 886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (27970799) 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 as a sum of consecutive naturals, namely, 1748167 + ... + 1748182.

Almost surely, 227970792 is an apocalyptic number.

It is an amenable number.

27970792 is a deficient number, since it is larger than the sum of its proper divisors (24474458).

27970792 is a wasteful number, since it uses less digits than its factorization.

27970792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496355 (or 3496351 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 27970792 is about 5288.7420054300. The cubic root of 27970792 is about 303.5532739158.

The spelling of 27970792 in words is "twenty-seven million, nine hundred seventy thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 3496349 6992698 13985396 27970792