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148866049 = 149999101
BaseRepresentation
bin10001101111110…
…00010000000001
3101101010011211101
420313320100001
5301102203144
622434414401
73455224543
oct1067702001
9341104741
10148866049
11770382a2
1241a31401
1324ac2a27
1415ab1693
15d1086d4
hex8df8401

148866049 has 4 divisors (see below), whose sum is σ = 149865300. Its totient is φ = 147866800.

The previous prime is 148866041. The next prime is 148866079. The reversal of 148866049 is 940668841.

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 28569025 + 120297024 = 5345^2 + 10968^2 .

It is a cyclic number.

It is not a de Polignac number, because 148866049 - 23 = 148866041 is a prime.

It is a super-2 number, since 2×1488660492 = 44322201089740802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148866041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499402 + ... + 499699.

It is an arithmetic number, because the mean of its divisors is an integer number (37466325).

Almost surely, 2148866049 is an apocalyptic number.

It is an amenable number.

148866049 is a deficient number, since it is larger than the sum of its proper divisors (999251).

148866049 is an equidigital number, since it uses as much as digits as its factorization.

148866049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999250.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 148866049 is about 12201.0675352610. The cubic root of 148866049 is about 529.9870045467.

The spelling of 148866049 in words is "one hundred forty-eight million, eight hundred sixty-six thousand, forty-nine".

Divisors: 1 149 999101 148866049