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148085121 = 349361707
BaseRepresentation
bin10001101001110…
…01100110000001
3101022122111121010
420310321212001
5300402210441
622405551133
73445463022
oct1064714601
9338574533
10148085121
11766545a8
12417154a9
13248ab442
141594ac49
15d002116
hex8d39981

148085121 has 4 divisors (see below), whose sum is σ = 197446832. Its totient is φ = 98723412.

The previous prime is 148085087. The next prime is 148085123. The reversal of 148085121 is 121580841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-148085121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148085123) 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, 24680851 + ... + 24680856.

It is an arithmetic number, because the mean of its divisors is an integer number (49361708).

Almost surely, 2148085121 is an apocalyptic number.

It is an amenable number.

148085121 is a deficient number, since it is larger than the sum of its proper divisors (49361711).

148085121 is an equidigital number, since it uses as much as digits as its factorization.

148085121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49361710.

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 148085121 is about 12169.0230092641. The cubic root of 148085121 is about 529.0586363248.

The spelling of 148085121 in words is "one hundred forty-eight million, eighty-five thousand, one hundred twenty-one".

Divisors: 1 3 49361707 148085121