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14254540 = 2251076661
BaseRepresentation
bin110110011000…
…000111001100
3222211012112221
4312120013030
512122121130
61225305124
7232106266
oct66300714
928735487
1014254540
118056713
1249351a4
132c51251
141c70b36
1513b887a
hexd981cc

14254540 has 24 divisors (see below), whose sum is σ = 30218832. Its totient is φ = 5647680.

The previous prime is 14254531. The next prime is 14254553. The reversal of 14254540 is 4545241.

It is a happy number.

It is a super-2 number, since 2×142545402 = 406383821223200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1191 + ... + 5470.

It is an arithmetic number, because the mean of its divisors is an integer number (1259118).

Almost surely, 214254540 is an apocalyptic number.

14254540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14254540 is an abundant number, since it is smaller than the sum of its proper divisors (15964292).

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

14254540 is a wasteful number, since it uses less digits than its factorization.

14254540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6777 (or 6775 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 14254540 is about 3775.5185074371. The cubic root of 14254540 is about 242.4661234429.

Adding to 14254540 its reverse (4545241), we get a palindrome (18799781).

The spelling of 14254540 in words is "fourteen million, two hundred fifty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 6661 13322 26644 33305 66610 133220 712727 1425454 2850908 3563635 7127270 14254540