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34396189 = 223154243
BaseRepresentation
bin1000001100110…
…1100000011101
32101201111200221
42003031200131
532301134224
63225121341
7565235302
oct203154035
971644627
1034396189
1118463403
12b629251
137183c99
1447d50a9
1530466e4
hex20cd81d

34396189 has 4 divisors (see below), whose sum is σ = 34550656. Its totient is φ = 34241724.

The previous prime is 34396169. The next prime is 34396207. The reversal of 34396189 is 98169343.

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: 98169343 = 313166753.

It is a cyclic number.

It is not a de Polignac number, because 34396189 - 25 = 34396157 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 (34396169) 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, 76899 + ... + 77344.

It is an arithmetic number, because the mean of its divisors is an integer number (8637664).

Almost surely, 234396189 is an apocalyptic number.

It is an amenable number.

34396189 is a deficient number, since it is larger than the sum of its proper divisors (154467).

34396189 is a wasteful number, since it uses less digits than its factorization.

34396189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154466.

The product of its digits is 139968, while the sum is 43.

The square root of 34396189 is about 5864.8264253940. The cubic root of 34396189 is about 325.2146558262.

The spelling of 34396189 in words is "thirty-four million, three hundred ninety-six thousand, one hundred eighty-nine".

Divisors: 1 223 154243 34396189