Search a number
-
+
26823069 = 357131213
BaseRepresentation
bin110011001010…
…0100110011101
31212110202100000
41212110212131
523331314234
62354524513
7443664240
oct146244635
955422300
1026823069
1114160629
128b96739
135731c50
1437c3257
15254c899
hex199499d

26823069 has 48 divisors (see below), whose sum is σ = 49492352. Its totient is φ = 14136768.

The previous prime is 26823067. The next prime is 26823089. The reversal of 26823069 is 96032862.

It is not a de Polignac number, because 26823069 - 21 = 26823067 is a prime.

It is a super-2 number, since 2×268230692 = 1438954061157522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26823067) 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 47 ways as a sum of consecutive naturals, for example, 21507 + ... + 22719.

Almost surely, 226823069 is an apocalyptic number.

It is an amenable number.

26823069 is a deficient number, since it is larger than the sum of its proper divisors (22669283).

26823069 is a wasteful number, since it uses less digits than its factorization.

26823069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 26823069 is about 5179.0992460079. The cubic root of 26823069 is about 299.3432633724.

The spelling of 26823069 in words is "twenty-six million, eight hundred twenty-three thousand, sixty-nine".

Divisors: 1 3 7 9 13 21 27 39 63 81 91 117 189 243 273 351 567 819 1053 1213 1701 2457 3159 3639 7371 8491 10917 15769 22113 25473 32751 47307 76419 98253 110383 141921 229257 294759 331149 425763 687771 993447 1277289 2063313 2980341 3831867 8941023 26823069