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30746328 = 2331281097
BaseRepresentation
bin111010101001…
…0011011011000
32010212002000220
41311102123120
530332340303
63015000040
7522224304
oct165223330
963762026
1030746328
11163a0198
12a369020
1364a68c2
144124d04
152a75053
hex1d526d8

30746328 has 16 divisors (see below), whose sum is σ = 76865880. Its totient is φ = 10248768.

The previous prime is 30746321. The next prime is 30746341. The reversal of 30746328 is 82364703.

It is a super-3 number, since 3×307463283 (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30746321) 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, 640525 + ... + 640572.

Almost surely, 230746328 is an apocalyptic number.

It is an amenable number.

30746328 is an abundant number, since it is smaller than the sum of its proper divisors (46119552).

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

30746328 is a wasteful number, since it uses less digits than its factorization.

30746328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281106 (or 1281102 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 30746328 is about 5544.9371502299. The cubic root of 30746328 is about 313.2788567834.

The spelling of 30746328 in words is "thirty million, seven hundred forty-six thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 1281097 2562194 3843291 5124388 7686582 10248776 15373164 30746328