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8683540949 = 19764359797
BaseRepresentation
bin10000001011001010…
…00101000111010101
3211102011121120210202
420011211011013111
5120240441302244
63553354230245
7425120610626
oct100545050725
924364546722
108683540949
1137566a5926
121824125385
13a8503ba15
145c5399a4d
1535c51b04e
hex2059451d5

8683540949 has 8 divisors (see below), whose sum is σ = 9141918240. Its totient is φ = 8225298576.

The previous prime is 8683540939. The next prime is 8683540951. The reversal of 8683540949 is 9490453868.

It is a happy number.

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 8683540949 - 24 = 8683540933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8683540894 and 8683540903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8683540919) 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, 115319 + ... + 175115.

It is an arithmetic number, because the mean of its divisors is an integer number (1142739780).

Almost surely, 28683540949 is an apocalyptic number.

It is an amenable number.

8683540949 is a deficient number, since it is larger than the sum of its proper divisors (458377291).

8683540949 is a wasteful number, since it uses less digits than its factorization.

8683540949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67459.

The product of its (nonzero) digits is 7464960, while the sum is 56.

The square root of 8683540949 is about 93185.5189876625. The cubic root of 8683540949 is about 2055.4123052320.

The spelling of 8683540949 in words is "eight billion, six hundred eighty-three million, five hundred forty thousand, nine hundred forty-nine".

Divisors: 1 19 7643 59797 145217 1136143 457028471 8683540949