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48111121 = 53907757
BaseRepresentation
bin1011011110000…
…1111000010001
310100112022001101
42313201320101
544304023441
64435104401
71122636442
oct267417021
9110468041
1048111121
1125180663
1214142101
139c76726
1465652c9
154355231
hex2de1e11

48111121 has 4 divisors (see below), whose sum is σ = 49018932. Its totient is φ = 47203312.

The previous prime is 48111113. The next prime is 48111149. The reversal of 48111121 is 12111184.

48111121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34339600 + 13771521 = 5860^2 + 3711^2 .

It is a cyclic number.

It is not a de Polignac number, because 48111121 - 23 = 48111113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48111821) 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 3 ways as a sum of consecutive naturals, for example, 453826 + ... + 453931.

It is an arithmetic number, because the mean of its divisors is an integer number (12254733).

Almost surely, 248111121 is an apocalyptic number.

It is an amenable number.

48111121 is a deficient number, since it is larger than the sum of its proper divisors (907811).

48111121 is an equidigital number, since it uses as much as digits as its factorization.

48111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907810.

The product of its digits is 64, while the sum is 19.

The square root of 48111121 is about 6936.2180617394. The cubic root of 48111121 is about 363.7043472344.

The spelling of 48111121 in words is "forty-eight million, one hundred eleven thousand, one hundred twenty-one".

Divisors: 1 53 907757 48111121