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3930543072 = 25321719293147
BaseRepresentation
bin1110101001000111…
…0101001111100000
3101010221000021110100
43222101311033200
531022204334242
61450005102400
7166255031151
oct35221651740
911127007410
103930543072
111737764205
129183b7a00
134a8413141
14294033928
1518010554c
hexea4753e0

3930543072 has 576 divisors, whose sum is σ = 13586227200. Its totient is φ = 1068318720.

The previous prime is 3930543059. The next prime is 3930543073. The reversal of 3930543072 is 2703450393.

3930543072 is digitally balanced in base 2 and base 4, because in such bases 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3930543073) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 83628553 + ... + 83628599.

It is an arithmetic number, because the mean of its divisors is an integer number (23587200).

Almost surely, 23930543072 is an apocalyptic number.

3930543072 is a gapful number since it is divisible by the number (32) 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 3930543072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6793113600).

3930543072 is an abundant number, since it is smaller than the sum of its proper divisors (9655684128).

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

3930543072 is a wasteful number, since it uses less digits than its factorization.

3930543072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 3930543072 is about 62694.0433534160. The cubic root of 3930543072 is about 1578.1593520252.

The spelling of 3930543072 in words is "three billion, nine hundred thirty million, five hundred forty-three thousand, seventy-two".