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34856189 is a prime number
BaseRepresentation
bin1000010011110…
…1110011111101
32102120212200222
42010331303331
532410344224
63243031125
7602162354
oct204756375
972525628
1034856189
1118747a75
12b80b4a5
1372b5484
1448b499b
1530d7b5e
hex213dcfd

34856189 has 2 divisors, whose sum is σ = 34856190. Its totient is φ = 34856188.

The previous prime is 34856153. The next prime is 34856209. The reversal of 34856189 is 98165843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23600164 + 11256025 = 4858^2 + 3355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34856189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34856149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17428094 + 17428095.

It is an arithmetic number, because the mean of its divisors is an integer number (17428095).

Almost surely, 234856189 is an apocalyptic number.

It is an amenable number.

34856189 is a deficient number, since it is larger than the sum of its proper divisors (1).

34856189 is an equidigital number, since it uses as much as digits as its factorization.

34856189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 34856189 is about 5903.9130244271. The cubic root of 34856189 is about 326.6580014130.

The spelling of 34856189 in words is "thirty-four million, eight hundred fifty-six thousand, one hundred eighty-nine".