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424312430 = 25193219851
BaseRepresentation
bin11001010010100…
…111111001101110
31002120102022020012
4121102213321232
51332110444210
6110034253222
713341411323
oct3122477156
91076368205
10424312430
111a8571233
12ba127212
1369ba4859
14404d2b4a
15273b7305
hex194a7e6e

424312430 has 16 divisors (see below), whose sum is σ = 767723184. Its totient is φ = 168844800.

The previous prime is 424312423. The next prime is 424312457. The reversal of 424312430 is 34213424.

It is a junction number, because it is equal to n+sod(n) for n = 424312396 and 424312405.

It is a congruent number.

It is an unprimeable number.

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, 107996 + ... + 111855.

It is an arithmetic number, because the mean of its divisors is an integer number (47982699).

Almost surely, 2424312430 is an apocalyptic number.

424312430 is a deficient number, since it is larger than the sum of its proper divisors (343410754).

424312430 is a wasteful number, since it uses less digits than its factorization.

424312430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220051.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 424312430 is about 20598.8453559902. The cubic root of 424312430 is about 751.4416301243.

Adding to 424312430 its reverse (34213424), we get a palindrome (458525854).

The spelling of 424312430 in words is "four hundred twenty-four million, three hundred twelve thousand, four hundred thirty".

Divisors: 1 2 5 10 193 386 965 1930 219851 439702 1099255 2198510 42431243 84862486 212156215 424312430