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481791940 = 22573441371
BaseRepresentation
bin11100101101111…
…000111111000100
31020120120120021221
4130231320333010
51441314320230
6115450250124
714640110140
oct3455707704
91216516257
10481791940
11227a60463
12115426944
1378a7b4b6
1447db6220
152c46d27a
hex1cb78fc4

481791940 has 24 divisors (see below), whose sum is σ = 1156300992. Its totient is φ = 165185760.

The previous prime is 481791929. The next prime is 481791941. The reversal of 481791940 is 49197184.

It is not an unprimeable number, because it can be changed into a prime (481791941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1720546 + ... + 1720825.

It is an arithmetic number, because the mean of its divisors is an integer number (48179208).

Almost surely, 2481791940 is an apocalyptic number.

It is an amenable number.

481791940 is an abundant number, since it is smaller than the sum of its proper divisors (674509052).

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

481791940 is a wasteful number, since it uses less digits than its factorization.

481791940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441387 (or 3441385 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 481791940 is about 21949.7594519849. The cubic root of 481791940 is about 783.9466527112.

The spelling of 481791940 in words is "four hundred eighty-one million, seven hundred ninety-one thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 3441371 6882742 13765484 17206855 24089597 34413710 48179194 68827420 96358388 120447985 240895970 481791940