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48213980 = 22523281373
BaseRepresentation
bin1011011111101…
…0111111011100
310100201112010222
42313322333130
544320321410
64441220512
71123545353
oct267727734
9110645128
1048213980
1125240971
1214191738
139cb14a9
14659099a
154375955
hex2dfafdc

48213980 has 48 divisors (see below), whose sum is σ = 106311744. Its totient is φ = 18332160.

The previous prime is 48213967. The next prime is 48214009. The reversal of 48213980 is 8931284.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 48213980.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129074 + ... + 129446.

It is an arithmetic number, because the mean of its divisors is an integer number (2214828).

Almost surely, 248213980 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 48213980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53155872).

48213980 is an abundant number, since it is smaller than the sum of its proper divisors (58097764).

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

48213980 is a wasteful number, since it uses less digits than its factorization.

48213980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 48213980 is about 6943.6287343146. The cubic root of 48213980 is about 363.9633562114.

The spelling of 48213980 in words is "forty-eight million, two hundred thirteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 281 373 460 562 746 1124 1405 1492 1865 2810 3730 5620 6463 7460 8579 12926 17158 25852 32315 34316 42895 64630 85790 104813 129260 171580 209626 419252 524065 1048130 2096260 2410699 4821398 9642796 12053495 24106990 48213980