Search a number
-
+
26994479 = 231497877
BaseRepresentation
bin110011011111…
…0011100101111
31212210110110112
41212332130233
523402310404
62402330235
7445310051
oct146763457
955713415
1026994479
1114268396
12905997b
135791c85
1438298d1
15258356e
hex19be72f

26994479 has 8 divisors (see below), whose sum is σ = 28360800. Its totient is φ = 25644256.

The previous prime is 26994469. The next prime is 26994491. The reversal of 26994479 is 97449962.

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 26994479 - 24 = 26994463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26994439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512 + ... + 7365.

It is an arithmetic number, because the mean of its divisors is an integer number (3545100).

Almost surely, 226994479 is an apocalyptic number.

26994479 is a deficient number, since it is larger than the sum of its proper divisors (1366321).

26994479 is a wasteful number, since it uses less digits than its factorization.

26994479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8049.

The product of its digits is 979776, while the sum is 50.

The square root of 26994479 is about 5195.6211370730. The cubic root of 26994479 is about 299.9795504579.

The spelling of 26994479 in words is "twenty-six million, nine hundred ninety-four thousand, four hundred seventy-nine".

Divisors: 1 23 149 3427 7877 181171 1173673 26994479