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14454890 = 257120359
BaseRepresentation
bin110111001001…
…000001101010
31000012101101022
4313021001222
512200024030
61233452442
7233602352
oct67110152
930171338
1014454890
11818319a
124a11122
132cc14b8
141cc3b62
151407de5
hexdc906a

14454890 has 16 divisors (see below), whose sum is σ = 26386560. Its totient is φ = 5700240.

The previous prime is 14454889. The next prime is 14454899. The reversal of 14454890 is 9845441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 14454890.

It is not an unprimeable number, because it can be changed into a prime (14454899) 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 7 ways as a sum of consecutive naturals, for example, 9470 + ... + 10889.

It is an arithmetic number, because the mean of its divisors is an integer number (1649160).

Almost surely, 214454890 is an apocalyptic number.

14454890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14454890 is a deficient number, since it is larger than the sum of its proper divisors (11931670).

14454890 is a wasteful number, since it uses less digits than its factorization.

14454890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20437.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 14454890 is about 3801.9587057200. The cubic root of 14454890 is about 243.5968101660.

The spelling of 14454890 in words is "fourteen million, four hundred fifty-four thousand, eight hundred ninety".

Divisors: 1 2 5 10 71 142 355 710 20359 40718 101795 203590 1445489 2890978 7227445 14454890