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14488890 = 2351397383
BaseRepresentation
bin110111010001…
…010100111010
31000021010000120
4313101110322
512202121030
61234314110
7234103443
oct67212472
930233016
1014488890
1181a6799
124a28936
133003b10
141cd22ca
151413010
hexdd153a

14488890 has 64 divisors (see below), whose sum is σ = 37933056. Its totient is φ = 3520512.

The previous prime is 14488871. The next prime is 14488931. The reversal of 14488890 is 9888441.

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 31 ways as a sum of consecutive naturals, for example, 37639 + ... + 38021.

It is an arithmetic number, because the mean of its divisors is an integer number (592704).

Almost surely, 214488890 is an apocalyptic number.

14488890 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 14488890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18966528).

14488890 is an abundant number, since it is smaller than the sum of its proper divisors (23444166).

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

14488890 is a wasteful number, since it uses less digits than its factorization.

14488890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 14488890 is about 3806.4274589174. The cubic root of 14488890 is about 243.7876523032.

The spelling of 14488890 in words is "fourteen million, four hundred eighty-eight thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 97 130 194 195 291 383 390 485 582 766 970 1149 1261 1455 1915 2298 2522 2910 3783 3830 4979 5745 6305 7566 9958 11490 12610 14937 18915 24895 29874 37151 37830 49790 74302 74685 111453 149370 185755 222906 371510 482963 557265 965926 1114530 1448889 2414815 2897778 4829630 7244445 14488890