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14518740 = 2235241979
BaseRepresentation
bin110111011000…
…100111010100
31000022121222010
4313120213110
512204044430
61235104220
7234256455
oct67304724
930277863
1014518740
118217165
124a42070
133014592
141cdd12c
15141bcb0
hexdd89d4

14518740 has 24 divisors (see below), whose sum is σ = 40652640. Its totient is φ = 3871648.

The previous prime is 14518739. The next prime is 14518741. The reversal of 14518740 is 4781541.

It is an interprime number because it is at equal distance from previous prime (14518739) and next prime (14518741).

It is a super-2 number, since 2×145187402 = 421587622375200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 14518698 and 14518707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14518741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120930 + ... + 121049.

It is an arithmetic number, because the mean of its divisors is an integer number (1693860).

Almost surely, 214518740 is an apocalyptic number.

14518740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14518740 is an abundant number, since it is smaller than the sum of its proper divisors (26133900).

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

14518740 is a wasteful number, since it uses less digits than its factorization.

14518740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241991 (or 241989 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 14518740 is about 3810.3464409421. The cubic root of 14518740 is about 243.9549545082.

The spelling of 14518740 in words is "fourteen million, five hundred eighteen thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 241979 483958 725937 967916 1209895 1451874 2419790 2903748 3629685 4839580 7259370 14518740