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30849074 = 253714099
BaseRepresentation
bin111010110101…
…1100000110010
32011001021222022
41311223200302
530344132244
63021111442
7523132664
oct165534062
964037868
1030849074
1116460403
12a3b8582
1365115b9
144150534
152a956ee
hex1d6b832

30849074 has 16 divisors (see below), whose sum is σ = 47822400. Its totient is φ = 14916720.

The previous prime is 30849047. The next prime is 30849079. The reversal of 30849074 is 47094803.

It is not an unprimeable number, because it can be changed into a prime (30849079) 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, 5477 + ... + 9575.

It is an arithmetic number, because the mean of its divisors is an integer number (2988900).

Almost surely, 230849074 is an apocalyptic number.

30849074 is a deficient number, since it is larger than the sum of its proper divisors (16973326).

30849074 is a wasteful number, since it uses less digits than its factorization.

30849074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 30849074 is about 5554.1942709992. The cubic root of 30849074 is about 313.6274334883.

The spelling of 30849074 in words is "thirty million, eight hundred forty-nine thousand, seventy-four".

Divisors: 1 2 53 71 106 142 3763 4099 7526 8198 217247 291029 434494 582058 15424537 30849074