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674866080 = 25345743173
BaseRepresentation
bin101000001110011…
…010001110100000
31202000212202020000
4220032122032200
52340231203310
6150544420000
722503160410
oct5016321640
91660782200
10674866080
11316a42969
1216a017600
13a9a7c255
14658b4640
153e3aa4c0
hex2839a3a0

674866080 has 480 divisors, whose sum is σ = 2801361024. Its totient is φ = 149796864.

The previous prime is 674866079. The next prime is 674866097. The reversal of 674866080 is 80668476.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (480).

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

It is a congruent number.

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, 3900874 + ... + 3901046.

Almost surely, 2674866080 is an apocalyptic number.

674866080 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 674866080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1400680512).

674866080 is an abundant number, since it is smaller than the sum of its proper divisors (2126494944).

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

674866080 is a wasteful number, since it uses less digits than its factorization.

674866080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 674866080 is about 25978.1846940852. The cubic root of 674866080 is about 877.1473051149.

The spelling of 674866080 in words is "six hundred seventy-four million, eight hundred sixty-six thousand, eighty".