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1048148389 is a prime number
BaseRepresentation
bin111110011110010…
…111100110100101
32201001021110021201
4332132113212211
54121311222024
6252001242501
734655054131
oct7636274645
92631243251
101048148389
1149871a442
12253033431
131391c7862
149d2c23c1
1562042744
hex3e7979a5

1048148389 has 2 divisors, whose sum is σ = 1048148390. Its totient is φ = 1048148388.

The previous prime is 1048148359. The next prime is 1048148417. The reversal of 1048148389 is 9838418401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 883872900 + 164275489 = 29730^2 + 12817^2 .

It is a cyclic number.

It is not a de Polignac number, because 1048148389 - 27 = 1048148261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1048148329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524074194 + 524074195.

It is an arithmetic number, because the mean of its divisors is an integer number (524074195).

Almost surely, 21048148389 is an apocalyptic number.

It is an amenable number.

1048148389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048148389 is an equidigital number, since it uses as much as digits as its factorization.

1048148389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 1048148389 is about 32375.1199071139. The cubic root of 1048148389 is about 1015.7985542731.

The spelling of 1048148389 in words is "one billion, forty-eight million, one hundred forty-eight thousand, three hundred eighty-nine".