Search a number
-
+
26977049 = 112452459
BaseRepresentation
bin110011011101…
…0001100011001
31212202120112222
41212322030121
523401231144
62402113425
7445205201
oct146721431
955676488
1026977049
1114256290
12904b875
135787068
143823401
15257d2ee
hex19ba319

26977049 has 4 divisors (see below), whose sum is σ = 29429520. Its totient is φ = 24524580.

The previous prime is 26977043. The next prime is 26977051. The reversal of 26977049 is 94077962.

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 a de Polignac number, because none of the positive numbers 2k-26977049 is a prime.

It is a super-2 number, since 2×269770492 = 1455522345496802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26977043) 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 3 ways as a sum of consecutive naturals, for example, 1226219 + ... + 1226240.

It is an arithmetic number, because the mean of its divisors is an integer number (7357380).

Almost surely, 226977049 is an apocalyptic number.

It is an amenable number.

26977049 is a deficient number, since it is larger than the sum of its proper divisors (2452471).

26977049 is a wasteful number, since it uses less digits than its factorization.

26977049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452470.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 26977049 is about 5193.9434921839. The cubic root of 26977049 is about 299.9149721995.

The spelling of 26977049 in words is "twenty-six million, nine hundred seventy-seven thousand, forty-nine".

Divisors: 1 11 2452459 26977049