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148232101 = 374006273
BaseRepresentation
bin10001101010111…
…01011110100101
3101022220222012211
420311131132211
5300421411401
622413043421
73446644363
oct1065353645
9338828184
10148232101
1176744a76
1241786571
1324930304
1415988633
15d030951
hex8d5d7a5

148232101 has 4 divisors (see below), whose sum is σ = 152238412. Its totient is φ = 144225792.

The previous prime is 148232099. The next prime is 148232143. The reversal of 148232101 is 101232841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101232841 = 175954873.

It can be written as a sum of positive squares in 2 ways, for example, as 135163876 + 13068225 = 11626^2 + 3615^2 .

It is a cyclic number.

It is not a de Polignac number, because 148232101 - 21 = 148232099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148232701) 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, 2003100 + ... + 2003173.

It is an arithmetic number, because the mean of its divisors is an integer number (38059603).

Almost surely, 2148232101 is an apocalyptic number.

It is an amenable number.

148232101 is a deficient number, since it is larger than the sum of its proper divisors (4006311).

148232101 is an equidigital number, since it uses as much as digits as its factorization.

148232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006310.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 148232101 is about 12175.0606158655. The cubic root of 148232101 is about 529.2336152494.

Adding to 148232101 its reverse (101232841), we get a palindrome (249464942).

The spelling of 148232101 in words is "one hundred forty-eight million, two hundred thirty-two thousand, one hundred one".

Divisors: 1 37 4006273 148232101