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1244231300 = 2252131915011
BaseRepresentation
bin100101000101001…
…0111011010000100
310012201020111110202
41022022113122010
510022010400200
6323244110032
742555535334
oct11212273204
93181214422
101244231300
11589377434
122a8835318
1316aa0cc50
14bb3650c4
15743761d5
hex4a297684

1244231300 has 72 divisors (see below), whose sum is σ = 2923479552. Its totient is φ = 456912000.

The previous prime is 1244231281. The next prime is 1244231311. The reversal of 1244231300 is 31324421.

It is a super-2 number, since 2×12442313002 = 3096223055799380000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 245795 + ... + 250805.

Almost surely, 21244231300 is an apocalyptic number.

1244231300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244231300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1461739776).

1244231300 is an abundant number, since it is smaller than the sum of its proper divisors (1679248252).

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

1244231300 is a wasteful number, since it uses less digits than its factorization.

1244231300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5229 (or 5222 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1244231300 is about 35273.6629796226. The cubic root of 1244231300 is about 1075.5576843161.

Adding to 1244231300 its reverse (31324421), we get a palindrome (1275555721).

The spelling of 1244231300 in words is "one billion, two hundred forty-four million, two hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 191 260 325 382 650 764 955 1300 1910 2483 3820 4775 4966 5011 9550 9932 10022 12415 19100 20044 24830 25055 49660 50110 62075 65143 100220 124150 125275 130286 248300 250550 260572 325715 501100 651430 957101 1302860 1628575 1914202 3257150 3828404 4785505 6514300 9571010 12442313 19142020 23927525 24884626 47855050 49769252 62211565 95710100 124423130 248846260 311057825 622115650 1244231300