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34285931 is a prime number
BaseRepresentation
bin1000001011001…
…0100101101011
32101111220110022
42002302211223
532234122211
63222511055
7564265661
oct202624553
971456408
1034285931
1118398589
12b59548b
137145a44
1447a6c31
153023bdb
hex20b296b

34285931 has 2 divisors, whose sum is σ = 34285932. Its totient is φ = 34285930.

The previous prime is 34285913. The next prime is 34285949. The reversal of 34285931 is 13958243.

Together with previous prime (34285913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (34285913) and next prime (34285949).

It is a cyclic number.

It is not a de Polignac number, because 34285931 - 210 = 34284907 is a prime.

It is a super-2 number, since 2×342859312 = 2351050129073522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34285891 and 34285900.

It is not a weakly prime, because it can be changed into another prime (34285331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17142965 + 17142966.

It is an arithmetic number, because the mean of its divisors is an integer number (17142966).

Almost surely, 234285931 is an apocalyptic number.

34285931 is a deficient number, since it is larger than the sum of its proper divisors (1).

34285931 is an equidigital number, since it uses as much as digits as its factorization.

34285931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 35.

The square root of 34285931 is about 5855.4189431671. The cubic root of 34285931 is about 324.8667887993.

The spelling of 34285931 in words is "thirty-four million, two hundred eighty-five thousand, nine hundred thirty-one".