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148075801 = 449332957
BaseRepresentation
bin10001101001101…
…11010100011001
3101022122000210221
420310313110121
5300401411201
622405440041
73445423606
oct1064672431
9338560727
10148075801
11766485a5
1241710021
13248a7123
14159476ad
15ceee4a1
hex8d37519

148075801 has 4 divisors (see below), whose sum is σ = 148113252. Its totient is φ = 148038352.

The previous prime is 148075793. The next prime is 148075847. The reversal of 148075801 is 108570841.

148075801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108570841 = 211151431.

It can be written as a sum of positive squares in 2 ways, for example, as 146385801 + 1690000 = 12099^2 + 1300^2 .

It is a cyclic number.

It is not a de Polignac number, because 148075801 - 23 = 148075793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148075891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11986 + ... + 20971.

It is an arithmetic number, because the mean of its divisors is an integer number (37028313).

Almost surely, 2148075801 is an apocalyptic number.

It is an amenable number.

148075801 is a deficient number, since it is larger than the sum of its proper divisors (37451).

148075801 is an equidigital number, since it uses as much as digits as its factorization.

148075801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37450.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 148075801 is about 12168.6400637047. The cubic root of 148075801 is about 529.0475370105.

The spelling of 148075801 in words is "one hundred forty-eight million, seventy-five thousand, eight hundred one".

Divisors: 1 4493 32957 148075801