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48220812 = 2233457977
BaseRepresentation
bin1011011111110…
…0101010001100
310100201212112000
42313330222030
544321031222
64441312300
71123604313
oct267745214
9110655460
1048220812
1125246012
1214195690
139cb4633
14659327a
1543779ac
hex2dfca8c

48220812 has 48 divisors (see below), whose sum is σ = 125418720. Its totient is φ = 16022016.

The previous prime is 48220769. The next prime is 48220813. The reversal of 48220812 is 21802284.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (48220813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48868 + ... + 49844.

It is an arithmetic number, because the mean of its divisors is an integer number (2612890).

Almost surely, 248220812 is an apocalyptic number.

It is an amenable number.

48220812 is an abundant number, since it is smaller than the sum of its proper divisors (77197908).

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

48220812 is a wasteful number, since it uses less digits than its factorization.

48220812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447 (or 1439 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 48220812 is about 6944.1206786749. The cubic root of 48220812 is about 363.9805468008.

The spelling of 48220812 in words is "forty-eight million, two hundred twenty thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 457 914 977 1371 1828 1954 2742 2931 3908 4113 5484 5862 8226 8793 11724 12339 16452 17586 24678 26379 35172 49356 52758 105516 446489 892978 1339467 1785956 2678934 4018401 5357868 8036802 12055203 16073604 24110406 48220812