Search a number
-
+
26634380 = 2251331719
BaseRepresentation
bin110010110011…
…0100010001100
31212010011111112
41211212202030
523304300010
62350511152
7442250153
oct145464214
955104445
1026634380
1114041893
128b054b8
1356970b6
14377459a
152511a05
hex196688c

26634380 has 12 divisors (see below), whose sum is σ = 55932240. Its totient is φ = 10653744.

The previous prime is 26634373. The next prime is 26634401. The reversal of 26634380 is 8343662.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665840 + ... + 665879.

It is an arithmetic number, because the mean of its divisors is an integer number (4661020).

Almost surely, 226634380 is an apocalyptic number.

26634380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26634380 is an abundant number, since it is smaller than the sum of its proper divisors (29297860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26634380 is a wasteful number, since it uses less digits than its factorization.

26634380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331728 (or 1331726 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 26634380 is about 5160.8507050679. The cubic root of 26634380 is about 298.6396930581.

The spelling of 26634380 in words is "twenty-six million, six hundred thirty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 1331719 2663438 5326876 6658595 13317190 26634380