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676690560 = 273257131291
BaseRepresentation
bin101000010101010…
…111101010000000
31202011022102221100
4220111113222000
52341213044220
6151051454400
722524526530
oct5025275200
91664272840
10676690560
11317a796a7
1216a757400
13aa26a820
1465c2b4c0
153e61ad90
hex28557a80

676690560 has 384 divisors, whose sum is σ = 2878162560. Its totient is φ = 142663680.

The previous prime is 676690549. The next prime is 676690571. The reversal of 676690560 is 65096676.

It is an interprime number because it is at equal distance from previous prime (676690549) and next prime (676690571).

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×6766905602 = 915820227986227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 523515 + ... + 524805.

It is an arithmetic number, because the mean of its divisors is an integer number (7495215).

Almost surely, 2676690560 is an apocalyptic number.

676690560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676690560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1439081280).

676690560 is an abundant number, since it is smaller than the sum of its proper divisors (2201472000).

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

676690560 is a wasteful number, since it uses less digits than its factorization.

676690560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 676690560 is about 26013.2766102235. The cubic root of 676690560 is about 877.9370409208.

The spelling of 676690560 in words is "six hundred seventy-six million, six hundred ninety thousand, five hundred sixty".