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30953427 = 310317809
BaseRepresentation
bin111011000010…
…0111111010011
32011020121010020
41312010333103
530411002202
63023234523
7524046141
oct166047723
964217106
1030953427
111652184a
12a448a43
136549c4b
14417a591
152ab65bc
hex1d84fd3

30953427 has 4 divisors (see below), whose sum is σ = 41271240. Its totient is φ = 20635616.

The previous prime is 30953393. The next prime is 30953443. The reversal of 30953427 is 72435903.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30953427 - 28 = 30953171 is a prime.

It is a super-2 number, since 2×309534272 = 1916229286088658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30953467) 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, 5158902 + ... + 5158907.

It is an arithmetic number, because the mean of its divisors is an integer number (10317810).

Almost surely, 230953427 is an apocalyptic number.

30953427 is a deficient number, since it is larger than the sum of its proper divisors (10317813).

30953427 is a wasteful number, since it uses less digits than its factorization.

30953427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10317812.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 30953427 is about 5563.5804119290. The cubic root of 30953427 is about 313.9806707779.

The spelling of 30953427 in words is "thirty million, nine hundred fifty-three thousand, four hundred twenty-seven".

Divisors: 1 3 10317809 30953427