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48179189 is a prime number
BaseRepresentation
bin1011011111001…
…0011111110101
310100122202102102
42313302133311
544313213224
64440351445
71123342052
oct267623765
9110582372
1048179189
1125217813
1214175585
139c9b6c6
146582029
15436a4ae
hex2df27f5

48179189 has 2 divisors, whose sum is σ = 48179190. Its totient is φ = 48179188.

The previous prime is 48179167. The next prime is 48179191. The reversal of 48179189 is 98197184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33988900 + 14190289 = 5830^2 + 3767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48179189 is a prime.

Together with 48179191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48179119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24089594 + 24089595.

It is an arithmetic number, because the mean of its divisors is an integer number (24089595).

Almost surely, 248179189 is an apocalyptic number.

It is an amenable number.

48179189 is a deficient number, since it is larger than the sum of its proper divisors (1).

48179189 is an equidigital number, since it uses as much as digits as its factorization.

48179189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 47.

The square root of 48179189 is about 6941.1230359359. The cubic root of 48179189 is about 363.8757903496.

The spelling of 48179189 in words is "forty-eight million, one hundred seventy-nine thousand, one hundred eighty-nine".