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148222841 = 1311401757
BaseRepresentation
bin10001101010110…
…11001101111001
3101022220111111212
420311123031321
5300421112331
622412532505
73446605364
oct1065331571
9338814455
10148222841
1176739018
1241781135
1324929030
14159850db
15d02cd2b
hex8d5b379

148222841 has 4 divisors (see below), whose sum is σ = 159624612. Its totient is φ = 136821072.

The previous prime is 148222829. The next prime is 148222861.

148222841 is nontrivially palindromic in base 10.

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 33304441 + 114918400 = 5771^2 + 10720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-148222841 is a prime.

It is a super-2 number, since 2×1482228412 = 43940021188222562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148222798 and 148222807.

It is not an unprimeable number, because it can be changed into a prime (148222801) 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, 5700866 + ... + 5700891.

It is an arithmetic number, because the mean of its divisors is an integer number (39906153).

Almost surely, 2148222841 is an apocalyptic number.

It is an amenable number.

148222841 is a deficient number, since it is larger than the sum of its proper divisors (11401771).

148222841 is a wasteful number, since it uses less digits than its factorization.

148222841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401770.

The product of its digits is 8192, while the sum is 32.

The square root of 148222841 is about 12174.6803243453. The cubic root of 148222841 is about 529.2225946825. Note that the first 3 decimals are identical.

The spelling of 148222841 in words is "one hundred forty-eight million, two hundred twenty-two thousand, eight hundred forty-one".

Divisors: 1 13 11401757 148222841