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214230430 = 25177117749
BaseRepresentation
bin11001100010011…
…10010110011110
3112221010000220101
430301032112132
5414320333210
633131411314
75210633341
oct1461162636
9487100811
10214230430
11aaa22547
125b8b3b3a
13354ca58b
1420648458
1513c1aa3a
hexcc4e59e

214230430 has 32 divisors (see below), whose sum is σ = 414072000. Its totient is φ = 79511040.

The previous prime is 214230409. The next prime is 214230437. The reversal of 214230430 is 34032412.

It is a junction number, because it is equal to n+sod(n) for n = 214230398 and 214230407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214230437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3196 + ... + 20944.

It is an arithmetic number, because the mean of its divisors is an integer number (12939750).

Almost surely, 2214230430 is an apocalyptic number.

214230430 is a deficient number, since it is larger than the sum of its proper divisors (199841570).

214230430 is a wasteful number, since it uses less digits than its factorization.

214230430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17844.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 214230430 is about 14636.6126545728. The cubic root of 214230430 is about 598.3570143628.

Adding to 214230430 its reverse (34032412), we get a palindrome (248262842).

The spelling of 214230430 in words is "two hundred fourteen million, two hundred thirty thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 71 85 142 170 355 710 1207 2414 6035 12070 17749 35498 88745 177490 301733 603466 1260179 1508665 2520358 3017330 6300895 12601790 21423043 42846086 107115215 214230430