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676784484 = 2234171929223
BaseRepresentation
bin101000010101101…
…110100101100100
31202011111012210000
4220111232211210
52341224100414
6151053501300
722525400415
oct5025564544
91664435700
10676784484
11318033222
1216a7a1830
13aa2a14bc
1465c5380c
153e638b09
hex2856e964

676784484 has 240 divisors, whose sum is σ = 2049062400. Its totient is φ = 193342464.

The previous prime is 676784461. The next prime is 676784497. The reversal of 676784484 is 484487676.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 676784484.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3034797 + ... + 3035019.

It is an arithmetic number, because the mean of its divisors is an integer number (8537760).

Almost surely, 2676784484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676784484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024531200).

676784484 is an abundant number, since it is smaller than the sum of its proper divisors (1372277916).

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

676784484 is a wasteful number, since it uses less digits than its factorization.

676784484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 293 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 54.

The square root of 676784484 is about 26015.0818564924. The cubic root of 676784484 is about 877.9776579811.

The spelling of 676784484 in words is "six hundred seventy-six million, seven hundred eighty-four thousand, four hundred eighty-four".