Search a number
-
+
12490544 = 241170969
BaseRepresentation
bin101111101001…
…011100110000
3212111120210202
4233221130300
511144144134
61123414332
7211111403
oct57513460
925446722
1012490544
117061370
1242243a8
132784371
141931d3a
15116ad7e
hexbe9730

12490544 has 20 divisors (see below), whose sum is σ = 26400840. Its totient is φ = 5677440.

The previous prime is 12490537. The next prime is 12490547. The reversal of 12490544 is 44509421.

It is not an unprimeable number, because it can be changed into a prime (12490547) 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 3 ways as a sum of consecutive naturals, for example, 35309 + ... + 35660.

It is an arithmetic number, because the mean of its divisors is an integer number (1320042).

Almost surely, 212490544 is an apocalyptic number.

It is an amenable number.

12490544 is an abundant number, since it is smaller than the sum of its proper divisors (13910296).

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

12490544 is a wasteful number, since it uses less digits than its factorization.

12490544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70988 (or 70982 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 12490544 is about 3534.1963725860. The cubic root of 12490544 is about 232.0209057657.

Adding to 12490544 its reverse (44509421), we get a palindrome (56999965).

The spelling of 12490544 in words is "twelve million, four hundred ninety thousand, five hundred forty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 70969 141938 283876 567752 780659 1135504 1561318 3122636 6245272 12490544