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214505424 = 24327241883
BaseRepresentation
bin11001100100100…
…01011111010000
3112221122000010100
430302101133100
5414403133144
633141332400
75213160150
oct1462213720
9487560110
10214505424
111000a0111
125ba07100
13355957b3
14206ba760
1513c72269
hexcc917d0

214505424 has 120 divisors (see below), whose sum is σ = 689703872. Its totient is φ = 60963840.

The previous prime is 214505407. The next prime is 214505471. The reversal of 214505424 is 424505412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242487 + ... + 243369.

Almost surely, 2214505424 is an apocalyptic number.

214505424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214505424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344851936).

214505424 is an abundant number, since it is smaller than the sum of its proper divisors (475198448).

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

214505424 is a wasteful number, since it uses less digits than its factorization.

214505424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 214505424 is about 14646.0036870131. The cubic root of 214505424 is about 598.6129291953.

The spelling of 214505424 in words is "two hundred fourteen million, five hundred five thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 241 252 336 482 504 723 883 964 1008 1446 1687 1766 1928 2169 2649 2892 3374 3532 3856 4338 5061 5298 5784 6181 6748 7064 7947 8676 10122 10596 11568 12362 13496 14128 15183 15894 17352 18543 20244 21192 24724 26992 30366 31788 34704 37086 40488 42384 49448 55629 60732 63576 74172 80976 98896 111258 121464 127152 148344 212803 222516 242928 296688 425606 445032 638409 851212 890064 1276818 1489621 1702424 1915227 2553636 2979242 3404848 3830454 4468863 5107272 5958484 7660908 8937726 10214544 11916968 13406589 15321816 17875452 23833936 26813178 30643632 35750904 53626356 71501808 107252712 214505424