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32148121 = 112328627
BaseRepresentation
bin111101010100…
…0101010011001
32020111021221011
41322220222121
531212214441
63105013521
7540153205
oct172505231
966437834
1032148121
11171683a5
12a9242a1
136877975
1443abb05
152c50581
hex1ea8a99

32148121 has 4 divisors (see below), whose sum is σ = 32177872. Its totient is φ = 32118372.

The previous prime is 32148113. The next prime is 32148167. The reversal of 32148121 is 12184123.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12184123 = 71740589.

It is a cyclic number.

It is not a de Polignac number, because 32148121 - 23 = 32148113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32148092 and 32148101.

It is not an unprimeable number, because it can be changed into a prime (32148101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13191 + ... + 15436.

It is an arithmetic number, because the mean of its divisors is an integer number (8044468).

Almost surely, 232148121 is an apocalyptic number.

It is an amenable number.

32148121 is a deficient number, since it is larger than the sum of its proper divisors (29751).

32148121 is a wasteful number, since it uses less digits than its factorization.

32148121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29750.

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

The square root of 32148121 is about 5669.9313046985. The cubic root of 32148121 is about 317.9693053453.

The spelling of 32148121 in words is "thirty-two million, one hundred forty-eight thousand, one hundred twenty-one".

Divisors: 1 1123 28627 32148121