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48090180 = 2235801503
BaseRepresentation
bin1011011101110…
…0110001000100
310100111020022210
42313130301010
544302341210
64434423420
71122521415
oct267346104
9110436283
1048090180
1125166956
1214131b70
139c6a038
14655b80c
15434de20
hex2ddcc44

48090180 has 24 divisors (see below), whose sum is σ = 134652672. Its totient is φ = 12824032.

The previous prime is 48090169. The next prime is 48090181. The reversal of 48090180 is 8109084.

It is a happy number.

48090180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×480901804 (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (48090181) by changing a digit.

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, 400692 + ... + 400811.

It is an arithmetic number, because the mean of its divisors is an integer number (5610528).

Almost surely, 248090180 is an apocalyptic number.

It is an amenable number.

48090180 is an abundant number, since it is smaller than the sum of its proper divisors (86562492).

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

48090180 is a wasteful number, since it uses less digits than its factorization.

48090180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801515 (or 801513 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 48090180 is about 6934.7083572419. The cubic root of 48090180 is about 363.6515705383.

The spelling of 48090180 in words is "forty-eight million, ninety thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 801503 1603006 2404509 3206012 4007515 4809018 8015030 9618036 12022545 16030060 24045090 48090180