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1242180504 = 2332235314153
BaseRepresentation
bin100101000001010…
…0010101110011000
310012120101022022100
41022002202232120
510020444234004
6323132123400
742532234335
oct11202425630
93176338270
101242180504
115881a6664
122a8006560
1316a472666
14bad8d98c
15740bd739
hex4a0a2b98

1242180504 has 96 divisors (see below), whose sum is σ = 3576998880. Its totient is φ = 388557312.

The previous prime is 1242180503. The next prime is 1242180581. The reversal of 1242180504 is 4050812421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242180503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80692 + ... + 94844.

It is an arithmetic number, because the mean of its divisors is an integer number (37260405).

Almost surely, 21242180504 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 1242180504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1788499440).

1242180504 is an abundant number, since it is smaller than the sum of its proper divisors (2334818376).

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

1242180504 is a wasteful number, since it uses less digits than its factorization.

1242180504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14241 (or 14234 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 1242180504 is about 35244.5812005193. The cubic root of 1242180504 is about 1074.9664324114.

Adding to 1242180504 its reverse (4050812421), we get a palindrome (5292992925).

The spelling of 1242180504 in words is "one billion, two hundred forty-two million, one hundred eighty thousand, five hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 36 46 53 69 72 92 106 138 159 184 207 212 276 318 414 424 477 552 636 828 954 1219 1272 1656 1908 2438 3657 3816 4876 7314 9752 10971 14153 14628 21942 28306 29256 42459 43884 56612 84918 87768 113224 127377 169836 254754 325519 339672 509508 651038 750109 976557 1019016 1302076 1500218 1953114 2250327 2604152 2929671 3000436 3906228 4500654 5859342 6000872 6750981 7812456 9001308 11718684 13501962 17252507 18002616 23437368 27003924 34505014 51757521 54007848 69010028 103515042 138020056 155272563 207030084 310545126 414060168 621090252 1242180504