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5421954720 = 25357131011229
BaseRepresentation
bin1010000110010110…
…00111011010100000
3111222212100211121210
411003023013122200
542101010022340
62254003150120
7251234566110
oct50313073240
914885324553
105421954720
112332608916
121073975340
136853b9240
1439613d040
1521b005180
hex1432c76a0

5421954720 has 384 divisors, whose sum is σ = 21245898240. Its totient is φ = 1131724800.

The previous prime is 5421954719. The next prime is 5421954737. The reversal of 5421954720 is 274591245.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4411066 + ... + 4412294.

It is an arithmetic number, because the mean of its divisors is an integer number (55327860).

Almost surely, 25421954720 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 5421954720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10622949120).

5421954720 is an abundant number, since it is smaller than the sum of its proper divisors (15823943520).

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

5421954720 is a wasteful number, since it uses less digits than its factorization.

5421954720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 5421954720 is about 73633.9237036843. The cubic root of 5421954720 is about 1756.7850572383.

The spelling of 5421954720 in words is "five billion, four hundred twenty-one million, nine hundred fifty-four thousand, seven hundred twenty".