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676321247 = 7761126961
BaseRepresentation
bin101000010011111…
…101011111011111
31202010121200100002
4220103331133133
52341114234442
6151035524515
722521431030
oct5023753737
91663550302
10676321247
11317847188
1216a5b973b
13aa16b6b4
1465b72a87
153e596732
hex284fd7df

676321247 has 8 divisors (see below), whose sum is σ = 773960352. Its totient is φ = 578937600.

The previous prime is 676321241. The next prime is 676321253. The reversal of 676321247 is 742123676.

It is an interprime number because it is at equal distance from previous prime (676321241) and next prime (676321253).

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 676321247 - 212 = 676317151 is a prime.

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 676321247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676321241) 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, 58154 + ... + 68807.

It is an arithmetic number, because the mean of its divisors is an integer number (96745044).

Almost surely, 2676321247 is an apocalyptic number.

676321247 is a deficient number, since it is larger than the sum of its proper divisors (97639105).

676321247 is a wasteful number, since it uses less digits than its factorization.

676321247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127729.

The product of its digits is 84672, while the sum is 38.

The square root of 676321247 is about 26006.1770931446. The cubic root of 676321247 is about 877.7772965293. Note that the first 3 decimals are identical.

The spelling of 676321247 in words is "six hundred seventy-six million, three hundred twenty-one thousand, two hundred forty-seven".

Divisors: 1 7 761 5327 126961 888727 96617321 676321247