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1145641214 = 21930148453
BaseRepresentation
bin100010001001001…
…0001100011111110
32221211201121022002
41010102101203332
54321241004324
6305403022302
740250534564
oct10422214376
92854647262
101145641214
11538759223
1227b80a992
13153471113
14ac21da34
156a89e3ae
hex444918fe

1145641214 has 8 divisors (see below), whose sum is σ = 1808907240. Its totient is φ = 542672136.

The previous prime is 1145641199. The next prime is 1145641261. The reversal of 1145641214 is 4121465411.

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

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, 15074189 + ... + 15074264.

It is an arithmetic number, because the mean of its divisors is an integer number (226113405).

Almost surely, 21145641214 is an apocalyptic number.

1145641214 is a deficient number, since it is larger than the sum of its proper divisors (663266026).

1145641214 is a wasteful number, since it uses less digits than its factorization.

1145641214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30148474.

The product of its digits is 3840, while the sum is 29.

The square root of 1145641214 is about 33847.3221097327. The cubic root of 1145641214 is about 1046.3642093102.

The spelling of 1145641214 in words is "one billion, one hundred forty-five million, six hundred forty-one thousand, two hundred fourteen".

Divisors: 1 2 19 38 30148453 60296906 572820607 1145641214