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148383481 is a prime number
BaseRepresentation
bin10001101100000…
…10011011111001
3101100012122212111
420312002123321
5300441232411
622420212321
73451144621
oct1066023371
9340178774
10148383481
1176838784
124183a0a1
132498419c
14159c7881
15d060721
hex8d826f9

148383481 has 2 divisors, whose sum is σ = 148383482. Its totient is φ = 148383480.

The previous prime is 148383479. The next prime is 148383541. The reversal of 148383481 is 184383841.

148383481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123543225 + 24840256 = 11115^2 + 4984^2 .

It is an emirp because it is prime and its reverse (184383841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148383481 - 21 = 148383479 is a prime.

It is a super-2 number, since 2×1483834812 = 44035314867354722, which contains 22 as substring.

Together with 148383479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (148383461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74191740 + 74191741.

It is an arithmetic number, because the mean of its divisors is an integer number (74191741).

Almost surely, 2148383481 is an apocalyptic number.

It is an amenable number.

148383481 is a deficient number, since it is larger than the sum of its proper divisors (1).

148383481 is an equidigital number, since it uses as much as digits as its factorization.

148383481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 40.

The square root of 148383481 is about 12181.2758362989. The cubic root of 148383481 is about 529.4137114799.

The spelling of 148383481 in words is "one hundred forty-eight million, three hundred eighty-three thousand, four hundred eighty-one".