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16255434 = 23132172341
BaseRepresentation
bin111110000000…
…100111001010
31010120212021010
4332000213022
513130133214
61340224350
7255111636
oct76004712
933525233
1016255434
1191a2a48
12553b0b6
1334a1c00
142231dc6
151661659
hexf809ca

16255434 has 96 divisors (see below), whose sum is σ = 39844224. Its totient is φ = 4392960.

The previous prime is 16255433. The next prime is 16255441. The reversal of 16255434 is 43455261.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16255433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 396454 + ... + 396494.

It is an arithmetic number, because the mean of its divisors is an integer number (415044).

Almost surely, 216255434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16255434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19922112).

16255434 is an abundant number, since it is smaller than the sum of its proper divisors (23588790).

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

16255434 is a wasteful number, since it uses less digits than its factorization.

16255434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 99 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 16255434 is about 4031.8028225597. The cubic root of 16255434 is about 253.3180811839.

The spelling of 16255434 in words is "sixteen million, two hundred fifty-five thousand, four hundred thirty-four".

Divisors: 1 2 3 6 13 17 23 26 34 39 41 46 51 69 78 82 102 123 138 169 221 246 299 338 391 442 507 533 598 663 697 782 897 943 1014 1066 1173 1326 1394 1599 1794 1886 2091 2346 2829 2873 3198 3887 4182 5083 5658 5746 6929 7774 8619 9061 10166 11661 12259 13858 15249 16031 17238 18122 20787 23322 24518 27183 30498 32062 36777 41574 48093 54366 66079 73554 96186 117793 132158 159367 198237 208403 235586 318734 353379 396474 416806 478101 625209 706758 956202 1250418 2709239 5418478 8127717 16255434