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30207704 = 237947797
BaseRepresentation
bin111001100111…
…0111011011000
32002211201011212
41303032323120
530213121304
62555242252
7514522052
oct163167330
962751155
1030207704
111606254a
12a149388
1363486a7
1440248d2
1529ba66e
hex1cceed8

30207704 has 16 divisors (see below), whose sum is σ = 57357600. Its totient is φ = 14912352.

The previous prime is 30207689. The next prime is 30207713. The reversal of 30207704 is 40770203.

It is a self number, because there is not a number n which added to its sum of digits gives 30207704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23267 + ... + 24530.

It is an arithmetic number, because the mean of its divisors is an integer number (3584850).

Almost surely, 230207704 is an apocalyptic number.

It is an amenable number.

30207704 is a deficient number, since it is larger than the sum of its proper divisors (27149896).

30207704 is a wasteful number, since it uses less digits than its factorization.

30207704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47882 (or 47878 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 30207704 is about 5496.1535640846. The cubic root of 30207704 is about 311.4386960288.

Adding to 30207704 its reverse (40770203), we get a palindrome (70977907).

The spelling of 30207704 in words is "thirty million, two hundred seven thousand, seven hundred four".

Divisors: 1 2 4 8 79 158 316 632 47797 95594 191188 382376 3775963 7551926 15103852 30207704