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30353514 = 2323219953
BaseRepresentation
bin111001111001…
…0100001101010
32010010010012020
41303302201222
530232303024
63002325310
7516000132
oct163624152
963103166
1030353514
1116152054
12a1b9836
136399b79
144061ac2
1529e8979
hex1cf286a

30353514 has 16 divisors (see below), whose sum is σ = 63346752. Its totient is φ = 9677888.

The previous prime is 30353513. The next prime is 30353573. The reversal of 30353514 is 41535303.

Adding to 30353514 its reverse (41535303), we get a palindrome (71888817).

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30353513) 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 7 ways as a sum of consecutive naturals, for example, 109839 + ... + 110114.

It is an arithmetic number, because the mean of its divisors is an integer number (3959172).

Almost surely, 230353514 is an apocalyptic number.

30353514 is an abundant number, since it is smaller than the sum of its proper divisors (32993238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30353514 is a wasteful number, since it uses less digits than its factorization.

30353514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219981.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 30353514 is about 5509.4023269317. The cubic root of 30353514 is about 311.9389879054.

The spelling of 30353514 in words is "thirty million, three hundred fifty-three thousand, five hundred fourteen".

Divisors: 1 2 3 6 23 46 69 138 219953 439906 659859 1319718 5058919 10117838 15176757 30353514