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30702082 = 237414893
BaseRepresentation
bin111010100011…
…1101000000010
32010202211100011
41311013220002
530324431312
63014015134
7521651305
oct165075002
963684304
1030702082
111636aa24
12a3474aa
13648c718
144112b3c
152a66da7
hex1d47a02

30702082 has 8 divisors (see below), whose sum is σ = 47297916. Its totient is φ = 14936112.

The previous prime is 30702047. The next prime is 30702083. The reversal of 30702082 is 28020703.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22005481 + 8696601 = 4691^2 + 2949^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30702083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207373 + ... + 207520.

Almost surely, 230702082 is an apocalyptic number.

30702082 is a deficient number, since it is larger than the sum of its proper divisors (16595834).

30702082 is a wasteful number, since it uses less digits than its factorization.

30702082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414932.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 30702082 is about 5540.9459481211. The cubic root of 30702082 is about 313.1285083066.

Adding to 30702082 its reverse (28020703), we get a palindrome (58722785).

It can be divided in two parts, 3070208 and 2, that multiplied together give a palindrome (6140416).

The spelling of 30702082 in words is "thirty million, seven hundred two thousand, eighty-two".

Divisors: 1 2 37 74 414893 829786 15351041 30702082