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3954280680 = 23355789653
BaseRepresentation
bin1110101110110001…
…1000100011101000
3101012120200021100000
43223230120203220
531044243440210
61452213543000
7166663555050
oct35354304350
911176607300
103954280680
11174a0a7669
12924344a60
134b030486c
14297252560
15182243ac0
hexebb188e8

3954280680 has 384 divisors, whose sum is σ = 15426028800. Its totient is φ = 892311552.

The previous prime is 3954280667. The next prime is 3954280691. The reversal of 3954280680 is 860824593.

3954280680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 95 ways as a sum of consecutive naturals, for example, 6055234 + ... + 6055886.

It is an arithmetic number, because the mean of its divisors is an integer number (40171950).

Almost surely, 23954280680 is an apocalyptic number.

3954280680 is a gapful number since it is divisible by the number (30) 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 3954280680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7713014400).

3954280680 is an abundant number, since it is smaller than the sum of its proper divisors (11471748120).

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

3954280680 is a wasteful number, since it uses less digits than its factorization.

3954280680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 3954280680 is about 62883.0714898692. The cubic root of 3954280680 is about 1581.3299542859.

The spelling of 3954280680 in words is "three billion, nine hundred fifty-four million, two hundred eighty thousand, six hundred eighty".