Search a number
-
+
10800144 = 2432179419
BaseRepresentation
bin101001001100…
…110000010000
3202022201000100
4221030300100
510231101034
61023252400
7160541205
oct51146020
922281010
1010800144
116107343
12374a100
132311b24
141611cac
15e35099
hexa4cc10

10800144 has 60 divisors (see below), whose sum is σ = 30466800. Its totient is φ = 3571392.

The previous prime is 10800143. The next prime is 10800157. The reversal of 10800144 is 44100801.

It is a super-2 number, since 2×108001442 = 233286220841472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10800143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25567 + ... + 25985.

It is an arithmetic number, because the mean of its divisors is an integer number (507780).

Almost surely, 210800144 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 10800144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15233400).

10800144 is an abundant number, since it is smaller than the sum of its proper divisors (19666656).

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

10800144 is a wasteful number, since it uses less digits than its factorization.

10800144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 10800144 is about 3286.3572538603. The cubic root of 10800144 is about 221.0428723225.

Adding to 10800144 its reverse (44100801), we get a palindrome (54900945).

The spelling of 10800144 in words is "ten million, eight hundred thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 179 358 419 537 716 838 1074 1257 1432 1611 1676 2148 2514 2864 3222 3352 3771 4296 5028 6444 6704 7542 8592 10056 12888 15084 20112 25776 30168 60336 75001 150002 225003 300004 450006 600008 675009 900012 1200016 1350018 1800024 2700036 3600048 5400072 10800144