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30873701 is a prime number
BaseRepresentation
bin111010111000…
…1100001100101
32011002112202102
41311301201211
530400424301
63021421445
7523264535
oct165614145
964075672
1030873701
1116477961
12a40a885
13651c881
1441594c5
152a9cb6b
hex1d71865

30873701 has 2 divisors, whose sum is σ = 30873702. Its totient is φ = 30873700.

The previous prime is 30873691. The next prime is 30873721. The reversal of 30873701 is 10737803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20016676 + 10857025 = 4474^2 + 3295^2 .

It is a cyclic number.

It is not a de Polignac number, because 30873701 - 218 = 30611557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30873721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15436850 + 15436851.

It is an arithmetic number, because the mean of its divisors is an integer number (15436851).

Almost surely, 230873701 is an apocalyptic number.

It is an amenable number.

30873701 is a deficient number, since it is larger than the sum of its proper divisors (1).

30873701 is an equidigital number, since it uses as much as digits as its factorization.

30873701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 30873701 is about 5556.4108019476. The cubic root of 30873701 is about 313.7108681745.

The spelling of 30873701 in words is "thirty million, eight hundred seventy-three thousand, seven hundred one".