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34931807 is a prime number
BaseRepresentation
bin1000010101000…
…0010001011111
32102201201102122
42011100101133
532420304212
63244413155
7602626001
oct205202137
972651378
1034931807
1118799869
12b8471bb
137310a11
1448d4371
153100272
hex215045f

34931807 has 2 divisors, whose sum is σ = 34931808. Its totient is φ = 34931806.

The previous prime is 34931801. The next prime is 34931881. The reversal of 34931807 is 70813943.

It is a weak prime.

It is an emirp because it is prime and its reverse (70813943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34931807 - 214 = 34915423 is a prime.

It is a super-2 number, since 2×349318072 = 2440462280570498, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34931801) 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, 17465903 + 17465904.

It is an arithmetic number, because the mean of its divisors is an integer number (17465904).

Almost surely, 234931807 is an apocalyptic number.

34931807 is a deficient number, since it is larger than the sum of its proper divisors (1).

34931807 is an equidigital number, since it uses as much as digits as its factorization.

34931807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 34931807 is about 5910.3136126605. The cubic root of 34931807 is about 326.8940511595.

The spelling of 34931807 in words is "thirty-four million, nine hundred thirty-one thousand, eight hundred seven".