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1232441340 = 2235131580053
BaseRepresentation
bin100100101110101…
…1000111111111100
310011220001111200120
41021131120333330
510011001110330
6322143254540
742353402304
oct11135307774
93156044616
101232441340
11582754469
122a48aa450
13168442740
14b9976604
15732e7c10
hex49758ffc

1232441340 has 48 divisors (see below), whose sum is σ = 3716287008. Its totient is φ = 303369984.

The previous prime is 1232441323. The next prime is 1232441347. The reversal of 1232441340 is 431442321.

It is a self number, because there is not a number n which added to its sum of digits gives 1232441340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232441347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789247 + ... + 790806.

It is an arithmetic number, because the mean of its divisors is an integer number (77422646).

Almost surely, 21232441340 is an apocalyptic number.

1232441340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232441340 is an abundant number, since it is smaller than the sum of its proper divisors (2483845668).

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

1232441340 is a wasteful number, since it uses less digits than its factorization.

1232441340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580078 (or 1580076 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1232441340 is about 35106.1439067295. The cubic root of 1232441340 is about 1072.1496772051.

Adding to 1232441340 its reverse (431442321), we get a palindrome (1663883661).

The spelling of 1232441340 in words is "one billion, two hundred thirty-two million, four hundred forty-one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 1580053 3160106 4740159 6320212 7900265 9480318 15800530 18960636 20540689 23700795 31601060 41081378 47401590 61622067 82162756 94803180 102703445 123244134 205406890 246488268 308110335 410813780 616220670 1232441340