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1242230324 = 221753344681
BaseRepresentation
bin100101000001010…
…1110111000110100
310012120110211122112
41022002232320310
510021002332244
6323133150152
742532532516
oct11202567064
93176424575
101242230324
11588230035
122a802b358
1316a48c23a
14bada3bb6
15740cd39e
hex4a0aee34

1242230324 has 24 divisors (see below), whose sum is σ = 2345216328. Its totient is φ = 573547520.

The previous prime is 1242230323. The next prime is 1242230333. The reversal of 1242230324 is 4230322421.

It can be written as a sum of positive squares in 4 ways, for example, as 752404900 + 489825424 = 27430^2 + 22132^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1242230324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242230323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168737 + ... + 175944.

It is an arithmetic number, because the mean of its divisors is an integer number (97717347).

Almost surely, 21242230324 is an apocalyptic number.

It is an amenable number.

1242230324 is a deficient number, since it is larger than the sum of its proper divisors (1102986004).

1242230324 is a wasteful number, since it uses less digits than its factorization.

1242230324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344755 (or 344753 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1242230324 is about 35245.2879687484. The cubic root of 1242230324 is about 1074.9808034070.

Adding to 1242230324 its reverse (4230322421), we get a palindrome (5472552745).

The spelling of 1242230324 in words is "one billion, two hundred forty-two million, two hundred thirty thousand, three hundred twenty-four".

Divisors: 1 2 4 17 34 53 68 106 212 901 1802 3604 344681 689362 1378724 5859577 11719154 18268093 23438308 36536186 73072372 310557581 621115162 1242230324