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14538340 = 225726917
BaseRepresentation
bin110111011101…
…011001100100
31000100121212001
4313131121210
512210211330
61235335044
7234400555
oct67353144
930317761
1014538340
11822a963
124a51484
13302048b
141d0632c
1514229ca
hexddd664

14538340 has 12 divisors (see below), whose sum is σ = 30530556. Its totient is φ = 5815328.

The previous prime is 14538301. The next prime is 14538341. The reversal of 14538340 is 4383541.

It can be written as a sum of positive squares in 2 ways, for example, as 2663424 + 11874916 = 1632^2 + 3446^2 .

It is a super-2 number, since 2×145383402 = 422726659911200, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 14538299 and 14538308.

It is not an unprimeable number, because it can be changed into a prime (14538341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363439 + ... + 363478.

It is an arithmetic number, because the mean of its divisors is an integer number (2544213).

Almost surely, 214538340 is an apocalyptic number.

14538340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14538340 is an abundant number, since it is smaller than the sum of its proper divisors (15992216).

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

14538340 is a wasteful number, since it uses less digits than its factorization.

14538340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726926 (or 726924 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 14538340 is about 3812.9175181218. The cubic root of 14538340 is about 244.0646832007.

It can be divided in two parts, 14538 and 340, that added together give a triangular number (14878 = T172).

The spelling of 14538340 in words is "fourteen million, five hundred thirty-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 726917 1453834 2907668 3634585 7269170 14538340