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3344640247 = 13393165449
BaseRepresentation
bin1100011101011011…
…0010100011110111
322122002112022212201
43013112302203313
523322211441442
61311515125331
7145611654514
oct30726624367
98562468781
103344640247
111466a647a3
12794143847
13413c11c90
1423a2ba30b
1514896e7b7
hexc75b28f7

3344640247 has 8 divisors (see below), whose sum is σ = 3602891600. Its totient is φ = 3086527680.

The previous prime is 3344640241. The next prime is 3344640253. The reversal of 3344640247 is 7420464433.

It is an interprime number because it is at equal distance from previous prime (3344640241) and next prime (3344640253).

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

It is a cyclic number.

It is not a de Polignac number, because 3344640247 - 215 = 3344607479 is a prime.

It is a super-2 number, since 2×33446402472 = 22373236763704442018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3344640241) 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, 18379 + ... + 83827.

It is an arithmetic number, because the mean of its divisors is an integer number (450361450).

Almost surely, 23344640247 is an apocalyptic number.

3344640247 is a deficient number, since it is larger than the sum of its proper divisors (258251353).

3344640247 is a wasteful number, since it uses less digits than its factorization.

3344640247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69393.

The product of its (nonzero) digits is 193536, while the sum is 37.

The square root of 3344640247 is about 57832.8647656330. The cubic root of 3344640247 is about 1495.4887045590.

It can be divided in two parts, 334 and 4640247, that added together give a triangular number (4640581 = T3046).

The spelling of 3344640247 in words is "three billion, three hundred forty-four million, six hundred forty thousand, two hundred forty-seven".

Divisors: 1 13 3931 51103 65449 850837 257280019 3344640247