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30946901 = 96732003
BaseRepresentation
bin111011000001…
…1011001010101
32011020021011112
41312003121111
530410300101
63023144405
7524021126
oct166033125
964207145
1030946901
1116517957
12a445105
136546c9b
14417804d
152ab46bb
hex1d83655

30946901 has 4 divisors (see below), whose sum is σ = 30979872. Its totient is φ = 30913932.

The previous prime is 30946889. The next prime is 30946913. The reversal of 30946901 is 10964903.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10964903 = 43924977.

It is an interprime number because it is at equal distance from previous prime (30946889) and next prime (30946913).

It is a cyclic number.

It is not a de Polignac number, because 30946901 - 210 = 30945877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30946961) 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 in 3 ways as a sum of consecutive naturals, for example, 15035 + ... + 16968.

It is an arithmetic number, because the mean of its divisors is an integer number (7744968).

Almost surely, 230946901 is an apocalyptic number.

It is an amenable number.

30946901 is a deficient number, since it is larger than the sum of its proper divisors (32971).

30946901 is an equidigital number, since it uses as much as digits as its factorization.

30946901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32970.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 30946901 is about 5562.9938881865. The cubic root of 30946901 is about 313.9586034112.

The spelling of 30946901 in words is "thirty million, nine hundred forty-six thousand, nine hundred one".

Divisors: 1 967 32003 30946901