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1145648474 = 2718067947
BaseRepresentation
bin100010001001001…
…0011010101011010
32221211201222020222
41010102103111122
54321241222344
6305403120042
740250565005
oct10422232532
92854658228
101145648474
11538763723
1227b813022
13153474509
14ac22253c
156a8a15ee
hex4449355a

1145648474 has 8 divisors (see below), whose sum is σ = 1742676768. Its totient is φ = 564756220.

The previous prime is 1145648467. The next prime is 1145648519. The reversal of 1145648474 is 4748465411.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4033832 + ... + 4034115.

It is an arithmetic number, because the mean of its divisors is an integer number (217834596).

Almost surely, 21145648474 is an apocalyptic number.

1145648474 is a deficient number, since it is larger than the sum of its proper divisors (597028294).

1145648474 is an equidigital number, since it uses as much as digits as its factorization.

1145648474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8068020.

The product of its digits is 430080, while the sum is 44.

The square root of 1145648474 is about 33847.4293558610. The cubic root of 1145648474 is about 1046.3664195973.

The spelling of 1145648474 in words is "one billion, one hundred forty-five million, six hundred forty-eight thousand, four hundred seventy-four".

Divisors: 1 2 71 142 8067947 16135894 572824237 1145648474