Search a number
-
+
26878064 = 246127539
BaseRepresentation
bin110011010001…
…0000001110000
31212120112202212
41212202001300
523340044224
62400031252
7444313463
oct146420160
955515685
1026878064
1114198984
129002528
135750ca5
1437d92da
15255dd0e
hex19a2070

26878064 has 20 divisors (see below), whose sum is σ = 52931880. Its totient is φ = 13218240.

The previous prime is 26878063. The next prime is 26878069. The reversal of 26878064 is 46087862.

It is a super-3 number, since 3×268780643 (a number of 23 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26878063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12794 + ... + 14745.

It is an arithmetic number, because the mean of its divisors is an integer number (2646594).

Almost surely, 226878064 is an apocalyptic number.

It is an amenable number.

26878064 is a deficient number, since it is larger than the sum of its proper divisors (26053816).

26878064 is a wasteful number, since it uses less digits than its factorization.

26878064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27608 (or 27602 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 26878064 is about 5184.4058483109. The cubic root of 26878064 is about 299.5477036212.

The spelling of 26878064 in words is "twenty-six million, eight hundred seventy-eight thousand, sixty-four".

Divisors: 1 2 4 8 16 61 122 244 488 976 27539 55078 110156 220312 440624 1679879 3359758 6719516 13439032 26878064