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30848701 = 1313717321
BaseRepresentation
bin111010110101…
…1011010111101
32011001021110111
41311223122331
530344124301
63021110021
7523131622
oct165533275
964037414
1030848701
11164600a4
12a3b8311
136511390
144150349
152a95551
hex1d6b6bd

30848701 has 8 divisors (see below), whose sum is σ = 33466104. Its totient is φ = 28266240.

The previous prime is 30848683. The next prime is 30848707. The reversal of 30848701 is 10784803.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 488601 + 30360100 = 699^2 + 5510^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30848701 - 25 = 30848669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30848707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6880 + ... + 10441.

It is an arithmetic number, because the mean of its divisors is an integer number (4183263).

Almost surely, 230848701 is an apocalyptic number.

It is an amenable number.

30848701 is a deficient number, since it is larger than the sum of its proper divisors (2617403).

30848701 is a wasteful number, since it uses less digits than its factorization.

30848701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17471.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 30848701 is about 5554.1606926700. The cubic root of 30848701 is about 313.6261694471.

The spelling of 30848701 in words is "thirty million, eight hundred forty-eight thousand, seven hundred one".

Divisors: 1 13 137 1781 17321 225173 2372977 30848701