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32134481 = 44971569
BaseRepresentation
bin111101010010…
…1010101010001
32020110121012222
41322211111101
531211300411
63104430425
7540065351
oct172452521
966417188
1032134481
1117159125
12a918415
1368716b2
1443a6b61
152c4b4db
hex1ea5551

32134481 has 4 divisors (see below), whose sum is σ = 32206500. Its totient is φ = 32062464.

The previous prime is 32134457. The next prime is 32134499. The reversal of 32134481 is 18443123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18443123 = 41944017.

It can be written as a sum of positive squares in 2 ways, for example, as 22648081 + 9486400 = 4759^2 + 3080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32134481 is a prime.

It is a super-2 number, since 2×321344812 = 2065249738278722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32134481.

It is not an unprimeable number, because it can be changed into a prime (32134411) 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, 35336 + ... + 36233.

It is an arithmetic number, because the mean of its divisors is an integer number (8051625).

Almost surely, 232134481 is an apocalyptic number.

It is an amenable number.

32134481 is a deficient number, since it is larger than the sum of its proper divisors (72019).

32134481 is an equidigital number, since it uses as much as digits as its factorization.

32134481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72018.

The product of its digits is 2304, while the sum is 26.

The square root of 32134481 is about 5668.7283406422. The cubic root of 32134481 is about 317.9243290011.

The spelling of 32134481 in words is "thirty-two million, one hundred thirty-four thousand, four hundred eighty-one".

Divisors: 1 449 71569 32134481