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30396173 = 271112163
BaseRepresentation
bin111001111110…
…0111100001101
32010012021201012
41303330330031
530240134143
63003255005
7516235403
oct163747415
963167635
1030396173
1116181105
12a21a465
1363b3402
144073473
152a06418
hex1cfcf0d

30396173 has 4 divisors (see below), whose sum is σ = 30508608. Its totient is φ = 30283740.

The previous prime is 30396139. The next prime is 30396199. The reversal of 30396173 is 37169303.

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.

It is a cyclic number.

It is not a de Polignac number, because 30396173 - 28 = 30395917 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 (30396473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55811 + ... + 56352.

It is an arithmetic number, because the mean of its divisors is an integer number (7627152).

Almost surely, 230396173 is an apocalyptic number.

It is an amenable number.

30396173 is a deficient number, since it is larger than the sum of its proper divisors (112435).

30396173 is a wasteful number, since it uses less digits than its factorization.

30396173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112434.

The product of its (nonzero) digits is 10206, while the sum is 32.

The square root of 30396173 is about 5513.2724402119. The cubic root of 30396173 is about 312.0850531049.

The spelling of 30396173 in words is "thirty million, three hundred ninety-six thousand, one hundred seventy-three".

Divisors: 1 271 112163 30396173