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30775235 = 529212243
BaseRepresentation
bin111010101100…
…1011111000011
32010220112200112
41311121133003
530334301420
63015341535
7522404501
oct165313703
963815615
1030775235
111640a987
12a3818ab
1364b6aca
144131671
152a7d8c5
hex1d597c3

30775235 has 8 divisors (see below), whose sum is σ = 38203920. Its totient is φ = 23771104.

The previous prime is 30775189. The next prime is 30775243. The reversal of 30775235 is 53257703.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30775235 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105977 + ... + 106266.

It is an arithmetic number, because the mean of its divisors is an integer number (4775490).

Almost surely, 230775235 is an apocalyptic number.

30775235 is a deficient number, since it is larger than the sum of its proper divisors (7428685).

30775235 is a wasteful number, since it uses less digits than its factorization.

30775235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212277.

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 30775235 is about 5547.5431498998. The cubic root of 30775235 is about 313.3770052553.

The spelling of 30775235 in words is "thirty million, seven hundred seventy-five thousand, two hundred thirty-five".

Divisors: 1 5 29 145 212243 1061215 6155047 30775235