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30126814 = 243934313
BaseRepresentation
bin111001011101…
…1001011011110
32002200121012221
41302323023132
530203024224
62553415554
7514034164
oct162731336
962617187
1030126814
11160077a3
12a10a5ba
13631a923
144003234
1529a16e4
hex1cbb2de

30126814 has 8 divisors (see below), whose sum is σ = 45294480. Its totient is φ = 15028656.

The previous prime is 30126787. The next prime is 30126821. The reversal of 30126814 is 41862103.

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

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, 16279 + ... + 18034.

It is an arithmetic number, because the mean of its divisors is an integer number (5661810).

Almost surely, 230126814 is an apocalyptic number.

30126814 is a deficient number, since it is larger than the sum of its proper divisors (15167666).

30126814 is a wasteful number, since it uses less digits than its factorization.

30126814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34754.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 30126814 is about 5488.7898484092. The cubic root of 30126814 is about 311.1604579982.

Adding to 30126814 its reverse (41862103), we get a palindrome (71988917).

The spelling of 30126814 in words is "thirty million, one hundred twenty-six thousand, eight hundred fourteen".

Divisors: 1 2 439 878 34313 68626 15063407 30126814