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34648189 = 231506443
BaseRepresentation
bin1000010000101…
…1000001111101
32102012022101021
42010023001331
532332220224
63234344141
7600335062
oct204130175
972168337
1034648189
1118615774
12b72b051
1372418b4
14485cc69
1530961e4
hex210b07d

34648189 has 4 divisors (see below), whose sum is σ = 36154656. Its totient is φ = 33141724.

The previous prime is 34648181. The next prime is 34648231. The reversal of 34648189 is 98184643.

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 cyclic number.

It is not a de Polignac number, because 34648189 - 23 = 34648181 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 (34648181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753199 + ... + 753244.

It is an arithmetic number, because the mean of its divisors is an integer number (9038664).

Almost surely, 234648189 is an apocalyptic number.

It is an amenable number.

34648189 is a deficient number, since it is larger than the sum of its proper divisors (1506467).

34648189 is a wasteful number, since it uses less digits than its factorization.

34648189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506466.

The product of its digits is 165888, while the sum is 43.

The square root of 34648189 is about 5886.2712305839. The cubic root of 34648189 is about 326.0069408988.

The spelling of 34648189 in words is "thirty-four million, six hundred forty-eight thousand, one hundred eighty-nine".

Divisors: 1 23 1506443 34648189