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48121155 = 335356453
BaseRepresentation
bin1011011110010…
…0010101000011
310100112210211000
42313210111003
544304334110
64435223043
71123010625
oct267442503
9110483730
1048121155
1125188155
1214147a83
139c7b174
146568c15
1543581c0
hex2de4543

48121155 has 16 divisors (see below), whose sum is σ = 85548960. Its totient is φ = 25664544.

The previous prime is 48121109. The next prime is 48121181. The reversal of 48121155 is 55112184.

48121155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 48121155 - 27 = 48121027 is a prime.

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

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 15 ways as a sum of consecutive naturals, for example, 178092 + ... + 178361.

It is an arithmetic number, because the mean of its divisors is an integer number (5346810).

Almost surely, 248121155 is an apocalyptic number.

48121155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

48121155 is a deficient number, since it is larger than the sum of its proper divisors (37427805).

48121155 is a wasteful number, since it uses less digits than its factorization.

48121155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356467 (or 356461 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 48121155 is about 6936.9413288567. The cubic root of 48121155 is about 363.7296300635.

The spelling of 48121155 in words is "forty-eight million, one hundred twenty-one thousand, one hundred fifty-five".

Divisors: 1 3 5 9 15 27 45 135 356453 1069359 1782265 3208077 5346795 9624231 16040385 48121155