Search a number
-
+
26873982 = 23223139467
BaseRepresentation
bin110011010000…
…1000001111110
31212120100011200
41212201001332
523334431412
62400000330
7444265542
oct146410176
955510150
1026873982
1114195903
1290000a6
13574c185
1437d7a22
15255c9dc
hex19a107e

26873982 has 48 divisors (see below), whose sum is σ = 61326720. Its totient is φ = 8488656.

The previous prime is 26873941. The next prime is 26874007. The reversal of 26873982 is 28937862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57313 + ... + 57779.

It is an arithmetic number, because the mean of its divisors is an integer number (1277640).

Almost surely, 226873982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26873982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30663360).

26873982 is an abundant number, since it is smaller than the sum of its proper divisors (34452738).

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

26873982 is a wasteful number, since it uses less digits than its factorization.

26873982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 634 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 26873982 is about 5184.0121527635. The cubic root of 26873982 is about 299.5325386446.

The spelling of 26873982 in words is "twenty-six million, eight hundred seventy-three thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 18 23 46 69 138 139 207 278 414 417 467 834 934 1251 1401 2502 2802 3197 4203 6394 8406 9591 10741 19182 21482 28773 32223 57546 64446 64913 96669 129826 193338 194739 389478 584217 1168434 1492999 2985998 4478997 8957994 13436991 26873982