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679014720 = 26325435483
BaseRepresentation
bin101000011110001…
…111000101000000
31202022200112002100
4220132033011000
52342311432340
6151213350400
722553346516
oct5036170500
91668615070
10679014720
1131931689a
1216b498400
13aa8a2677
14662744b6
153e929830
hex2878f140

679014720 has 168 divisors, whose sum is σ = 2390278176. Its totient is φ = 176827392.

The previous prime is 679014719. The next prime is 679014727. The reversal of 679014720 is 27410976.

It is a happy number.

It is a super-2 number, since 2×6790147202 = 922121979953356800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679014727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121099 + ... + 126581.

Almost surely, 2679014720 is an apocalyptic number.

679014720 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 679014720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195139088).

679014720 is an abundant number, since it is smaller than the sum of its proper divisors (1711263456).

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

679014720 is a wasteful number, since it uses less digits than its factorization.

679014720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5549 (or 5536 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 679014720 is about 26057.9108909367. The cubic root of 679014720 is about 878.9410126327.

The spelling of 679014720 in words is "six hundred seventy-nine million, fourteen thousand, seven hundred twenty".