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14609440 = 25591309
BaseRepresentation
bin110111101110…
…110000100000
31000111020101101
4313232300200
512220000230
61241044144
7235115056
oct67566040
930436341
1014609440
11827931a
124a86654
133046951
141d241d6
151438aca
hexdeec20

14609440 has 24 divisors (see below), whose sum is σ = 34515180. Its totient is φ = 5843712.

The previous prime is 14609437. The next prime is 14609447. The reversal of 14609440 is 4490641.

14609440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12138256 + 2471184 = 3484^2 + 1572^2 .

It is a super-2 number, since 2×146094402 = 426871474227200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14609399 and 14609408.

It is not an unprimeable number, because it can be changed into a prime (14609447) 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, 45495 + ... + 45814.

Almost surely, 214609440 is an apocalyptic number.

14609440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14609440 is an abundant number, since it is smaller than the sum of its proper divisors (19905740).

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

14609440 is an equidigital number, since it uses as much as digits as its factorization.

14609440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91324 (or 91316 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 14609440 is about 3822.2297157549. The cubic root of 14609440 is about 244.4619038647.

The spelling of 14609440 in words is "fourteen million, six hundred nine thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 91309 182618 365236 456545 730472 913090 1460944 1826180 2921888 3652360 7304720 14609440