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30235316 = 2217444637
BaseRepresentation
bin111001101010…
…1101010110100
32002220010001112
41303111222310
530220012231
63000014152
7514665416
oct163255264
962803045
1030235316
1116081271
12a161358
136358127
1440309b6
1529c392b
hex1cd5ab4

30235316 has 12 divisors (see below), whose sum is σ = 56024388. Its totient is φ = 14228352.

The previous prime is 30235307. The next prime is 30235343. The reversal of 30235316 is 61353203.

It can be written as a sum of positive squares in 2 ways, for example, as 8145316 + 22090000 = 2854^2 + 4700^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30235291 and 30235300.

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, 222251 + ... + 222386.

It is an arithmetic number, because the mean of its divisors is an integer number (4668699).

Almost surely, 230235316 is an apocalyptic number.

It is an amenable number.

30235316 is a deficient number, since it is larger than the sum of its proper divisors (25789072).

30235316 is a wasteful number, since it uses less digits than its factorization.

30235316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444658 (or 444656 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 30235316 is about 5498.6649288714. The cubic root of 30235316 is about 311.5335595382.

Adding to 30235316 its reverse (61353203), we get a palindrome (91588519).

The spelling of 30235316 in words is "thirty million, two hundred thirty-five thousand, three hundred sixteen".

Divisors: 1 2 4 17 34 68 444637 889274 1778548 7558829 15117658 30235316