Search a number
-
+
24981066 = 23211711777
BaseRepresentation
bin101111101001…
…0111001001010
31202000011120200
41133102321022
522343343231
62251233030
7422223045
oct137227112
952004520
1024981066
1113112710
128448776
1352386c6
143463c5c
1522d6be6
hex17d2e4a

24981066 has 48 divisors (see below), whose sum is σ = 59911488. Its totient is φ = 7459200.

The previous prime is 24981049. The next prime is 24981113. The reversal of 24981066 is 66018942.

It is a self number, because there is not a number n which added to its sum of digits gives 24981066.

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, 13170 + ... + 14946.

It is an arithmetic number, because the mean of its divisors is an integer number (1248156).

Almost surely, 224981066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24981066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29955744).

24981066 is an abundant number, since it is smaller than the sum of its proper divisors (34930422).

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

24981066 is a wasteful number, since it uses less digits than its factorization.

24981066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 24981066 is about 4998.1062413678. The cubic root of 24981066 is about 292.3279373754.

The spelling of 24981066 in words is "twenty-four million, nine hundred eighty-one thousand, sixty-six".

Divisors: 1 2 3 6 9 11 18 22 33 66 71 99 142 198 213 426 639 781 1278 1562 1777 2343 3554 4686 5331 7029 10662 14058 15993 19547 31986 39094 58641 117282 126167 175923 252334 351846 378501 757002 1135503 1387837 2271006 2775674 4163511 8327022 12490533 24981066