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1242334432 = 25172283703
BaseRepresentation
bin100101000001100…
…1000010011100000
310012120200010110101
41022003020103200
510021014200212
6323135312144
742533445163
oct11203102340
93176603411
101242334432
115882a1279
122a807b654
1316a4c7741
14badcdada
15740ee157
hex4a0c84e0

1242334432 has 24 divisors (see below), whose sum is σ = 2589720336. Its totient is φ = 584627712.

The previous prime is 1242334427. The next prime is 1242334477. The reversal of 1242334432 is 2344332421.

It is a self number, because there is not a number n which added to its sum of digits gives 1242334432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141308 + ... + 1142395.

It is an arithmetic number, because the mean of its divisors is an integer number (107905014).

Almost surely, 21242334432 is an apocalyptic number.

It is an amenable number.

1242334432 is an abundant number, since it is smaller than the sum of its proper divisors (1347385904).

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

1242334432 is a wasteful number, since it uses less digits than its factorization.

1242334432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283730 (or 2283722 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

The square root of 1242334432 is about 35246.7648444506. The cubic root of 1242334432 is about 1075.0108329898.

Adding to 1242334432 its reverse (2344332421), we get a palindrome (3586666853).

The spelling of 1242334432 in words is "one billion, two hundred forty-two million, three hundred thirty-four thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 2283703 4567406 9134812 18269624 36539248 38822951 73078496 77645902 155291804 310583608 621167216 1242334432