Search a number
-
+
26860454 = 213430227
BaseRepresentation
bin110011001110…
…1101110100110
31212112122121122
41212131232212
523334013304
62355413542
7444211235
oct146355646
955478548
1026860454
1114186725
128bb42b2
135745c7a
1437d2b1c
1525589be
hex199dba6

26860454 has 4 divisors (see below), whose sum is σ = 40290684. Its totient is φ = 13430226.

The previous prime is 26860451. The next prime is 26860487. The reversal of 26860454 is 45406862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45406862 = 222703431.

It is a super-2 number, since 2×268604542 = 1442967978172232, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26860451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715112 + ... + 6715115.

It is an arithmetic number, because the mean of its divisors is an integer number (10072671).

Almost surely, 226860454 is an apocalyptic number.

26860454 is a deficient number, since it is larger than the sum of its proper divisors (13430230).

26860454 is a wasteful number, since it uses less digits than its factorization.

26860454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13430229.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 26860454 is about 5182.7072076281. The cubic root of 26860454 is about 299.4822699958.

The spelling of 26860454 in words is "twenty-six million, eight hundred sixty thousand, four hundred fifty-four".

Divisors: 1 2 13430227 26860454