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34572869 is a prime number
BaseRepresentation
bin1000001111100…
…0101001000101
32102001111001122
42003320221011
532322312434
63233003325
7566602352
oct203705105
972044048
1034572869
1118574121
12b6b3545
137216526
14483d629
15307dc2e
hex20f8a45

34572869 has 2 divisors, whose sum is σ = 34572870. Its totient is φ = 34572868.

The previous prime is 34572859. The next prime is 34572893. The reversal of 34572869 is 96827543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27352900 + 7219969 = 5230^2 + 2687^2 .

It is an emirp because it is prime and its reverse (96827543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34572869 - 28 = 34572613 is a prime.

It is a super-2 number, since 2×345728692 = 2390566541782322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34572859) 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 as a sum of consecutive naturals, namely, 17286434 + 17286435.

It is an arithmetic number, because the mean of its divisors is an integer number (17286435).

Almost surely, 234572869 is an apocalyptic number.

It is an amenable number.

34572869 is a deficient number, since it is larger than the sum of its proper divisors (1).

34572869 is an equidigital number, since it uses as much as digits as its factorization.

34572869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 34572869 is about 5879.8698114839. The cubic root of 34572869 is about 325.7705393448.

The spelling of 34572869 in words is "thirty-four million, five hundred seventy-two thousand, eight hundred sixty-nine".