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48133640 = 2354725603
BaseRepresentation
bin1011011110011…
…1011000001000
310100120102221102
42313213120020
544310234030
64435400532
71123062212
oct267473010
9110512842
1048133640
1125196575
1214153148
139c83a59
14656d5b2
15435bc45
hex2de7608

48133640 has 32 divisors (see below), whose sum is σ = 110609280. Its totient is φ = 18843072.

The previous prime is 48133639. The next prime is 48133663. The reversal of 48133640 is 4633184.

48133640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10922 + ... + 14681.

It is an arithmetic number, because the mean of its divisors is an integer number (3456540).

Almost surely, 248133640 is an apocalyptic number.

48133640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48133640 is an abundant number, since it is smaller than the sum of its proper divisors (62475640).

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

48133640 is a wasteful number, since it uses less digits than its factorization.

48133640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25661 (or 25657 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 48133640 is about 6937.8411627826. The cubic root of 48133640 is about 363.7610838094.

The spelling of 48133640 in words is "forty-eight million, one hundred thirty-three thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 47 94 188 235 376 470 940 1880 25603 51206 102412 128015 204824 256030 512060 1024120 1203341 2406682 4813364 6016705 9626728 12033410 24066820 48133640