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1140072446 = 21015643923
BaseRepresentation
bin100001111110100…
…0001111111111110
32221110020200101102
41003331001333332
54313324304241
6305043413102
740152312242
oct10375017776
92843220342
101140072446
115355a5337
12279984192
131522714a6
14ab5b0422
156a14e39b
hex43f41ffe

1140072446 has 8 divisors (see below), whose sum is σ = 1727040744. Its totient is φ = 564392200.

The previous prime is 1140072421. The next prime is 1140072449. The reversal of 1140072446 is 6442700411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140072449) 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, 2821760 + ... + 2822163.

It is an arithmetic number, because the mean of its divisors is an integer number (215880093).

Almost surely, 21140072446 is an apocalyptic number.

1140072446 is a deficient number, since it is larger than the sum of its proper divisors (586968298).

1140072446 is a wasteful number, since it uses less digits than its factorization.

1140072446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644026.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 1140072446 is about 33764.9588478944. The cubic root of 1140072446 is about 1044.6660550886. Note that the first 3 decimals are identical.

Adding to 1140072446 its reverse (6442700411), we get a palindrome (7582772857).

The spelling of 1140072446 in words is "one billion, one hundred forty million, seventy-two thousand, four hundred forty-six".

Divisors: 1 2 101 202 5643923 11287846 570036223 1140072446