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34440689 is a prime number
BaseRepresentation
bin1000001101100…
…0010111110001
32101210202202002
42003120113301
532304100224
63230103345
7565512113
oct203302761
971722662
1034440689
1118493888
12b64ab55
13719b30a
1448073b3
1530549ae
hex20d85f1

34440689 has 2 divisors, whose sum is σ = 34440690. Its totient is φ = 34440688.

The previous prime is 34440677. The next prime is 34440701. The reversal of 34440689 is 98604443.

It is a balanced prime because it is at equal distance from previous prime (34440677) and next prime (34440701).

It can be written as a sum of positive squares in only one way, i.e., 31550689 + 2890000 = 5617^2 + 1700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34440689 is a prime.

It is a super-2 number, since 2×344406892 = 2372322117589442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34440629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17220344 + 17220345.

It is an arithmetic number, because the mean of its divisors is an integer number (17220345).

Almost surely, 234440689 is an apocalyptic number.

It is an amenable number.

34440689 is a deficient number, since it is larger than the sum of its proper divisors (1).

34440689 is an equidigital number, since it uses as much as digits as its factorization.

34440689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 34440689 is about 5868.6190027978. The cubic root of 34440689 is about 325.3548439887.

The spelling of 34440689 in words is "thirty-four million, four hundred forty thousand, six hundred eighty-nine".