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16425430 = 257461509
BaseRepresentation
bin111110101010…
…000111010110
31010220111110021
4332222013112
513201103210
61344015354
7256420360
oct76520726
933814407
1016425430
1192a973a
12560155a
1335313b8
142277d30
151696bda
hexfaa1d6

16425430 has 32 divisors (see below), whose sum is σ = 33929280. Its totient is φ = 5608320.

The previous prime is 16425413. The next prime is 16425433. The reversal of 16425430 is 3452461.

It is a junction number, because it is equal to n+sod(n) for n = 16425395 and 16425404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16425433) 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, 32016 + ... + 32524.

It is an arithmetic number, because the mean of its divisors is an integer number (1060290).

Almost surely, 216425430 is an apocalyptic number.

16425430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16425430 is an abundant number, since it is smaller than the sum of its proper divisors (17503850).

16425430 is a wasteful number, since it uses less digits than its factorization.

16425430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 16425430 is about 4052.8298755314. The cubic root of 16425430 is about 254.1980702337.

Adding to 16425430 its reverse (3452461), we get a palindrome (19877891).

The spelling of 16425430 in words is "sixteen million, four hundred twenty-five thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 461 509 922 1018 2305 2545 3227 3563 4610 5090 6454 7126 16135 17815 32270 35630 234649 469298 1173245 1642543 2346490 3285086 8212715 16425430