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4939801920 = 2632537151307
BaseRepresentation
bin1001001100110111…
…10110010101000000
3110202021002221022200
410212123312111000
540104042130140
62134101033200
7233261423604
oct44633662500
913667087280
104939801920
112105431329
12b5a3b5800
13609542721
1434c0b1504
151dda15030
hex1266f6540

4939801920 has 336 divisors, whose sum is σ = 17622853248. Its totient is φ = 1269043200.

The previous prime is 4939801903. The next prime is 4939801987. The reversal of 4939801920 is 291089394.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16090407 + ... + 16090713.

It is an arithmetic number, because the mean of its divisors is an integer number (52448968).

Almost surely, 24939801920 is an apocalyptic number.

4939801920 is a gapful number since it is divisible by the number (40) 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 4939801920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8811426624).

4939801920 is an abundant number, since it is smaller than the sum of its proper divisors (12683051328).

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

4939801920 is a wasteful number, since it uses less digits than its factorization.

4939801920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 4939801920 is about 70283.7244317630. The cubic root of 4939801920 is about 1703.0857358263.

The spelling of 4939801920 in words is "four billion, nine hundred thirty-nine million, eight hundred one thousand, nine hundred twenty".