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16992430 = 2571371263
BaseRepresentation
bin100000011010…
…0100010101110
31011222022020021
41000310202232
513322224210
61404112354
7264301420
oct100644256
934868207
1016992430
119656734
1258356ba
13369c4c0
142384810
151759bda
hex10348ae

16992430 has 64 divisors (see below), whose sum is σ = 38320128. Its totient is φ = 5281920.

The previous prime is 16992421. The next prime is 16992431. The reversal of 16992430 is 3429961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16992431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64479 + ... + 64741.

It is an arithmetic number, because the mean of its divisors is an integer number (598752).

Almost surely, 216992430 is an apocalyptic number.

16992430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16992430 is an abundant number, since it is smaller than the sum of its proper divisors (21327698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16992430 is a wasteful number, since it uses less digits than its factorization.

16992430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 16992430 is about 4122.1875260594. The cubic root of 16992430 is about 257.0899875138.

The spelling of 16992430 in words is "sixteen million, nine hundred ninety-two thousand, four hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 71 91 130 142 182 263 355 455 497 526 710 910 923 994 1315 1841 1846 2485 2630 3419 3682 4615 4970 6461 6838 9205 9230 12922 17095 18410 18673 23933 32305 34190 37346 47866 64610 93365 119665 130711 186730 239330 242749 261422 485498 653555 1213745 1307110 1699243 2427490 3398486 8496215 16992430