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14720730 = 2351812711
BaseRepresentation
bin111000001001…
…111011011010
31000200220001020
4320021323122
512232030410
61243303310
7236060403
oct70117332
930626036
1014720730
1183449a2
124b1ab36
1330854bb
141d529aa
15145ba70
hexe09eda

14720730 has 32 divisors (see below), whose sum is σ = 35538048. Its totient is φ = 3902400.

The previous prime is 14720711. The next prime is 14720731. The reversal of 14720730 is 3702741.

It is a self number, because there is not a number n which added to its sum of digits gives 14720730.

It is not an unprimeable number, because it can be changed into a prime (14720731) 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 15 ways as a sum of consecutive naturals, for example, 4075 + ... + 6785.

It is an arithmetic number, because the mean of its divisors is an integer number (1110564).

Almost surely, 214720730 is an apocalyptic number.

14720730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14720730 is an abundant number, since it is smaller than the sum of its proper divisors (20817318).

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

14720730 is a wasteful number, since it uses less digits than its factorization.

14720730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 14720730 is about 3836.7603521721. The cubic root of 14720730 is about 245.0810782608.

The spelling of 14720730 in words is "fourteen million, seven hundred twenty thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 181 362 543 905 1086 1810 2711 2715 5422 5430 8133 13555 16266 27110 40665 81330 490691 981382 1472073 2453455 2944146 4906910 7360365 14720730