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8005001422 = 211577630613
BaseRepresentation
bin1110111010010001…
…01010000011001110
3202122212211012120011
413131020222003032
5112343240021142
63402154543434
7402241250365
oct73510520316
922585735504
108005001422
113438684060
121674a37b7a
139a75a4742
1455d20a7dc
1531cb87417
hex1dd22a0ce

8005001422 has 16 divisors (see below), whose sum is σ = 13121816112. Its totient is φ = 3632325120.

The previous prime is 8005001419. The next prime is 8005001423. The reversal of 8005001422 is 2241005008.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 8005001393 and 8005001402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8005001423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302613 + ... + 328000.

It is an arithmetic number, because the mean of its divisors is an integer number (820113507).

Almost surely, 28005001422 is an apocalyptic number.

8005001422 is a deficient number, since it is larger than the sum of its proper divisors (5116814690).

8005001422 is a wasteful number, since it uses less digits than its factorization.

8005001422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631203.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 8005001422 is about 89470.6735304927. The cubic root of 8005001422 is about 2000.4166983419.

The spelling of 8005001422 in words is "eight billion, five million, one thousand, four hundred twenty-two".

Divisors: 1 2 11 22 577 1154 6347 12694 630613 1261226 6936743 13873486 363863701 727727402 4002500711 8005001422