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30750152 = 235477027
BaseRepresentation
bin111010101001…
…1010111001000
32010212021021112
41311103113020
530333001102
63015025452
7522241406
oct165232710
963767245
1030750152
11163a3054
12a36b288
1364a8574
144126476
152a76252
hex1d535c8

30750152 has 16 divisors (see below), whose sum is σ = 57770160. Its totient is φ = 15344784.

The previous prime is 30750133. The next prime is 30750163. The reversal of 30750152 is 25105703.

It is an unprimeable number.

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, 863 + ... + 7889.

It is an arithmetic number, because the mean of its divisors is an integer number (3610635).

Almost surely, 230750152 is an apocalyptic number.

It is an amenable number.

30750152 is a deficient number, since it is larger than the sum of its proper divisors (27020008).

30750152 is a wasteful number, since it uses less digits than its factorization.

30750152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580 (or 7576 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 30750152 is about 5545.2819585662. The cubic root of 30750152 is about 313.2918440111.

Adding to 30750152 its reverse (25105703), we get a palindrome (55855855).

The spelling of 30750152 in words is "thirty million, seven hundred fifty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 547 1094 2188 4376 7027 14054 28108 56216 3843769 7687538 15375076 30750152