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48889481 is a prime number
BaseRepresentation
bin1011101001111…
…1111010001001
310101222211202112
42322133322021
5100003430411
64503512105
71132360634
oct272377211
9111884675
1048889481
1125662433
1214458635
13a189ab4
1466c8c1b
15445ab8b
hex2e9fe89

48889481 has 2 divisors, whose sum is σ = 48889482. Its totient is φ = 48889480.

The previous prime is 48889471. The next prime is 48889493. The reversal of 48889481 is 18498884.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28783225 + 20106256 = 5365^2 + 4484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48889481 is a prime.

It is a super-2 number, since 2×488894812 = 4780362704898722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48889411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24444740 + 24444741.

It is an arithmetic number, because the mean of its divisors is an integer number (24444741).

Almost surely, 248889481 is an apocalyptic number.

It is an amenable number.

48889481 is a deficient number, since it is larger than the sum of its proper divisors (1).

48889481 is an equidigital number, since it uses as much as digits as its factorization.

48889481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 589824, while the sum is 50.

The square root of 48889481 is about 6992.1013293573. The cubic root of 48889481 is about 365.6552463448.

The spelling of 48889481 in words is "forty-eight million, eight hundred eighty-nine thousand, four hundred eighty-one".