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14550690 = 2357116299
BaseRepresentation
bin110111100000…
…011010100010
31000101020210110
4313200122202
512211110230
61235512150
7234451560
oct67403242
930336713
1014550690
118239170
124a58656
133025c9b
141d0aa30
1514264b0
hexde06a2

14550690 has 64 divisors (see below), whose sum is σ = 43545600. Its totient is φ = 3023040.

The previous prime is 14550689. The next prime is 14550703. The reversal of 14550690 is 9605541.

It is a super-2 number, since 2×145506902 = 423445158952200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 840 + ... + 5459.

It is an arithmetic number, because the mean of its divisors is an integer number (680400).

Almost surely, 214550690 is an apocalyptic number.

14550690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14550690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21772800).

14550690 is an abundant number, since it is smaller than the sum of its proper divisors (28994910).

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

14550690 is a wasteful number, since it uses less digits than its factorization.

14550690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6327.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 14550690 is about 3814.5366691120. The cubic root of 14550690 is about 244.1337728340.

The spelling of 14550690 in words is "fourteen million, five hundred fifty thousand, six hundred ninety".

Divisors: 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 66 70 77 105 110 154 165 210 231 330 385 462 770 1155 2310 6299 12598 18897 31495 37794 44093 62990 69289 88186 94485 132279 138578 188970 207867 220465 264558 346445 415734 440930 485023 661395 692890 970046 1039335 1322790 1455069 2078670 2425115 2910138 4850230 7275345 14550690