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1242036160 = 2653881363
BaseRepresentation
bin100101000000111…
…1111011111000000
310012120002222022021
41022001333133000
510020430124120
6323125051224
742531063451
oct11201773700
93176088267
101242036160
11588108172
122a7b56b14
1316a421a51
14bad53128
1574090aaa
hex4a07f7c0

1242036160 has 28 divisors (see below), whose sum is σ = 2957599368. Its totient is φ = 496814336.

The previous prime is 1242036149. The next prime is 1242036163. The reversal of 1242036160 is 616302421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242036163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1940362 + ... + 1941001.

Almost surely, 21242036160 is an apocalyptic number.

1242036160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242036160 is an abundant number, since it is smaller than the sum of its proper divisors (1715563208).

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

1242036160 is an equidigital number, since it uses as much as digits as its factorization.

1242036160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881380 (or 3881370 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1242036160 is about 35242.5333936140. The cubic root of 1242036160 is about 1074.9247930080.

Adding to 1242036160 its reverse (616302421), we get a palindrome (1858338581).

The spelling of 1242036160 in words is "one billion, two hundred forty-two million, thirty-six thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 3881363 7762726 15525452 19406815 31050904 38813630 62101808 77627260 124203616 155254520 248407232 310509040 621018080 1242036160