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8340466949 = 79105575531
BaseRepresentation
bin1111100010010000…
…10110110100000101
3210112021001121202022
413301020112310011
5114040124420244
63455341052525
7413453541113
oct76110266405
923467047668
108340466949
11359aa812a1
121749257145
13a2bc3c159
145919b2ab3
1533c34e6ee
hex1f1216d05

8340466949 has 4 divisors (see below), whose sum is σ = 8446042560. Its totient is φ = 8234891340.

The previous prime is 8340466909. The next prime is 8340466957. The reversal of 8340466949 is 9496640438.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9496640438 = 24748320219.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8340466949 is a prime.

It is a super-2 number, since 2×83404669492 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8340466949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8340466909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52787687 + ... + 52787844.

It is an arithmetic number, because the mean of its divisors is an integer number (2111510640).

Almost surely, 28340466949 is an apocalyptic number.

It is an amenable number.

8340466949 is a deficient number, since it is larger than the sum of its proper divisors (105575611).

8340466949 is a wasteful number, since it uses less digits than its factorization.

8340466949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105575610.

The product of its (nonzero) digits is 4478976, while the sum is 53.

The square root of 8340466949 is about 91326.1569814475. The cubic root of 8340466949 is about 2027.9790080814.

The spelling of 8340466949 in words is "eight billion, three hundred forty million, four hundred sixty-six thousand, nine hundred forty-nine".

Divisors: 1 79 105575531 8340466949