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8219412344 = 2311132552677
BaseRepresentation
bin1111010011110101…
…00100011101111000
3210012211021102001102
413221322210131320
5113313132143334
63435334310532
7410453565203
oct75172443570
923184242042
108219412344
11353870a170
1217147b8448
13a0cb36200
1457d8a093a
153318db67e
hex1e9ea4778

8219412344 has 48 divisors (see below), whose sum is σ = 18205213320. Its totient is φ = 3448698240.

The previous prime is 8219412343. The next prime is 8219412347. The reversal of 8219412344 is 4432149128.

It is a junction number, because it is equal to n+sod(n) for n = 8219412298 and 8219412307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8219412343) 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 11 ways as a sum of consecutive naturals, for example, 261467 + ... + 291210.

Almost surely, 28219412344 is an apocalyptic number.

It is an amenable number.

8219412344 is an abundant number, since it is smaller than the sum of its proper divisors (9985800976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8219412344 is a wasteful number, since it uses less digits than its factorization.

8219412344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552720 (or 552703 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 8219412344 is about 90660.9747576100. The cubic root of 8219412344 is about 2018.1197043956.

The spelling of 8219412344 in words is "eight billion, two hundred nineteen million, four hundred twelve thousand, three hundred forty-four".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 143 169 286 338 572 676 1144 1352 1859 3718 7436 14872 552677 1105354 2210708 4421416 6079447 7184801 12158894 14369602 24317788 28739204 48635576 57478408 79032811 93402413 158065622 186804826 316131244 373609652 632262488 747219304 1027426543 2054853086 4109706172 8219412344