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14613140 = 2257310009
BaseRepresentation
bin110111101111…
…101010010100
31000111102110102
4313233222110
512220110030
61241113232
7235131623
oct67575224
930442412
1014613140
118281083
124a88818
133048539
141d256ba
151439c45
hexdefa94

14613140 has 24 divisors (see below), whose sum is σ = 31111080. Its totient is φ = 5764608.

The previous prime is 14613139. The next prime is 14613191. The reversal of 14613140 is 4131641.

It can be written as a sum of positive squares in 4 ways, for example, as 6330256 + 8282884 = 2516^2 + 2878^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3545 + ... + 6464.

It is an arithmetic number, because the mean of its divisors is an integer number (1296295).

Almost surely, 214613140 is an apocalyptic number.

14613140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14613140 is an abundant number, since it is smaller than the sum of its proper divisors (16497940).

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

14613140 is a wasteful number, since it uses less digits than its factorization.

14613140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091 (or 10089 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 14613140 is about 3822.7136957926. The cubic root of 14613140 is about 244.4825396704.

Adding to 14613140 its reverse (4131641), we get a palindrome (18744781).

The spelling of 14613140 in words is "fourteen million, six hundred thirteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 10009 20018 40036 50045 100090 200180 730657 1461314 2922628 3653285 7306570 14613140