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34642961 is a prime number
BaseRepresentation
bin1000010000100…
…1110000010001
32102012001012122
42010021300101
532332033321
63234304025
7600313613
oct204116021
972161178
1034642961
1118611851
12b728015
13723c3c2
14485adb3
1530948ab
hex2109c11

34642961 has 2 divisors, whose sum is σ = 34642962. Its totient is φ = 34642960.

The previous prime is 34642939. The next prime is 34642963. The reversal of 34642961 is 16924643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33930625 + 712336 = 5825^2 + 844^2 .

It is an emirp because it is prime and its reverse (16924643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34642961 - 222 = 30448657 is a prime.

Together with 34642963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34642963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17321480 + 17321481.

It is an arithmetic number, because the mean of its divisors is an integer number (17321481).

Almost surely, 234642961 is an apocalyptic number.

It is an amenable number.

34642961 is a deficient number, since it is larger than the sum of its proper divisors (1).

34642961 is an equidigital number, since it uses as much as digits as its factorization.

34642961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 34642961 is about 5885.8271296395. The cubic root of 34642961 is about 325.9905432162.

The spelling of 34642961 in words is "thirty-four million, six hundred forty-two thousand, nine hundred sixty-one".