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14413840 = 245723677
BaseRepresentation
bin110110111111…
…000000010000
31000010022001221
4312333000100
512142220330
61232534424
7233341600
oct66770020
930108057
1014413840
118155371
1249b1414
132ca88cc
141cb2c00
1513eab7a
hexdbf010

14413840 has 60 divisors (see below), whose sum is σ = 38994156. Its totient is φ = 4940544.

The previous prime is 14413829. The next prime is 14413843. The reversal of 14413840 is 4831441.

It can be written as a sum of positive squares in 2 ways, for example, as 8479744 + 5934096 = 2912^2 + 2436^2 .

It is a super-3 number, since 3×144138403 (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (14413843) 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 11 ways as a sum of consecutive naturals, for example, 2082 + ... + 5758.

Almost surely, 214413840 is an apocalyptic number.

14413840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14413840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19497078).

14413840 is an abundant number, since it is smaller than the sum of its proper divisors (24580316).

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

14413840 is a wasteful number, since it uses less digits than its factorization.

14413840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704 (or 3691 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 14413840 is about 3796.5563343641. The cubic root of 14413840 is about 243.3659971581.

The spelling of 14413840 in words is "fourteen million, four hundred thirteen thousand, eight hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 112 140 196 245 280 392 490 560 784 980 1960 3677 3920 7354 14708 18385 25739 29416 36770 51478 58832 73540 102956 128695 147080 180173 205912 257390 294160 360346 411824 514780 720692 900865 1029560 1441384 1801730 2059120 2882768 3603460 7206920 14413840