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8405199244 = 2213389415523
BaseRepresentation
bin1111101001111110…
…10010100110001100
3210200202212100202201
413310333102212030
5114203212333434
63510012331244
7415201005031
oct76477224614
923622770681
108405199244
113623574662
121766a73b24
13a3c4850a0
1459a423388
15342d89614
hex1f4fd298c

8405199244 has 24 divisors (see below), whose sum is σ = 15881327280. Its totient is φ = 3869340864.

The previous prime is 8405199241. The next prime is 8405199247. The reversal of 8405199244 is 4429915048.

It is an interprime number because it is at equal distance from previous prime (8405199241) and next prime (8405199247).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8405199194 and 8405199203.

It is not an unprimeable number, because it can be changed into a prime (8405199241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187534 + ... + 227989.

It is an arithmetic number, because the mean of its divisors is an integer number (661721970).

Almost surely, 28405199244 is an apocalyptic number.

It is an amenable number.

8405199244 is a deficient number, since it is larger than the sum of its proper divisors (7476128036).

8405199244 is a wasteful number, since it uses less digits than its factorization.

8405199244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415929 (or 415927 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 8405199244 is about 91679.8737128275. The cubic root of 8405199244 is about 2033.2120313077.

The spelling of 8405199244 in words is "eight billion, four hundred five million, one hundred ninety-nine thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 389 778 1556 5057 10114 20228 415523 831046 1662092 5401799 10803598 21607196 161638447 323276894 646553788 2101299811 4202599622 8405199244