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5398169280 = 263572114757
BaseRepresentation
bin1010000011100000…
…11000011011000000
3111221012121102010120
411001300120123000
542023412404110
62251353300240
7250525452600
oct50160303300
914835542116
105398169280
112320142529
121067a04680
136804abb0a
14392d0ac00
15218da7870
hex141c186c0

5398169280 has 168 divisors, whose sum is σ = 19937595888. Its totient is φ = 1233856512.

The previous prime is 5398169267. The next prime is 5398169317. The reversal of 5398169280 is 829618935.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10339 + ... + 104418.

It is an arithmetic number, because the mean of its divisors is an integer number (118676166).

Almost surely, 25398169280 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 5398169280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9968797944).

5398169280 is an abundant number, since it is smaller than the sum of its proper divisors (14539426608).

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

5398169280 is a wasteful number, since it uses less digits than its factorization.

5398169280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114791 (or 114774 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 5398169280 is about 73472.2347557225. The cubic root of 5398169280 is about 1754.2123591202.

The spelling of 5398169280 in words is "five billion, three hundred ninety-eight million, one hundred sixty-nine thousand, two hundred eighty".