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30755966 = 219180513
BaseRepresentation
bin111010101010…
…0110001111110
32010212120020212
41311110301332
530333142331
63015112422
7522264353
oct165246176
963776225
1030755966
11163a745a
12a372712
1364ab0c7
14412862a
152a77d2b
hex1d54c7e

30755966 has 8 divisors (see below), whose sum is σ = 46376064. Its totient is φ = 15297280.

The previous prime is 30755957. The next prime is 30755969. The reversal of 30755966 is 66955703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30755969) 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, 39875 + ... + 40638.

It is an arithmetic number, because the mean of its divisors is an integer number (5797008).

Almost surely, 230755966 is an apocalyptic number.

30755966 is a deficient number, since it is larger than the sum of its proper divisors (15620098).

30755966 is a wasteful number, since it uses less digits than its factorization.

30755966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80706.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 30755966 is about 5545.8061632192. The cubic root of 30755966 is about 313.3115876966.

The spelling of 30755966 in words is "thirty million, seven hundred fifty-five thousand, nine hundred sixty-six".

Divisors: 1 2 191 382 80513 161026 15377983 30755966