[go: up one dir, main page]

Search a number
-
+
26887472 = 2417412411
BaseRepresentation
bin110011010010…
…0010100110000
31212121000200022
41212210110300
523340344342
62400143012
7444353063
oct146442460
955530608
1026887472
11141a4a57
129007a68
135755361
1437dc8da
1525619d2
hex19a4530

26887472 has 40 divisors (see below), whose sum is σ = 56527632. Its totient is φ = 12339200.

The previous prime is 26887463. The next prime is 26887477. The reversal of 26887472 is 27478862.

It is not an unprimeable number, because it can be changed into a prime (26887477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9947 + ... + 12357.

Almost surely, 226887472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26887472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28263816).

26887472 is an abundant number, since it is smaller than the sum of its proper divisors (29640160).

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

26887472 is a wasteful number, since it uses less digits than its factorization.

26887472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477 (or 2471 counting only the distinct ones).

The product of its digits is 301056, while the sum is 44.

The square root of 26887472 is about 5185.3131053004. The cubic root of 26887472 is about 299.5826492935.

The spelling of 26887472 in words is "twenty-six million, eight hundred eighty-seven thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 17 34 41 68 82 136 164 272 328 656 697 1394 2411 2788 4822 5576 9644 11152 19288 38576 40987 81974 98851 163948 197702 327896 395404 655792 790808 1581616 1680467 3360934 6721868 13443736 26887472