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5438262720 = 263511246817
BaseRepresentation
bin1010001000010010…
…10100110111000000
3112001000001100222210
411010021110313000
542114143401340
62255344502120
7251523320232
oct50411246700
915030040883
105438262720
112340837300
12107931a940
136888a9047
14398386252
1521c677180
hex144254dc0

5438262720 has 168 divisors, whose sum is σ = 18979268112. Its totient is φ = 1318338560.

The previous prime is 5438262691. The next prime is 5438262721. The reversal of 5438262720 is 272628345.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5438262721) 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, 92752 + ... + 139568.

It is an arithmetic number, because the mean of its divisors is an integer number (112971834).

Almost surely, 25438262720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5438262720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9489634056).

5438262720 is an abundant number, since it is smaller than the sum of its proper divisors (13541005392).

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

5438262720 is a wasteful number, since it uses less digits than its factorization.

5438262720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46859 (or 46838 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 5438262720 is about 73744.5775633707. The cubic root of 5438262720 is about 1758.5446301984.

The spelling of 5438262720 in words is "five billion, four hundred thirty-eight million, two hundred sixty-two thousand, seven hundred twenty".