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14320940 = 2251734139
BaseRepresentation
bin110110101000…
…010100101100
3222221120122012
4312220110230
512131232230
61230540352
7232504004
oct66502454
928846565
1014320940
1180a1597
1249676b8
132c7553a
141c8b004
1513cd395
hexda852c

14320940 has 24 divisors (see below), whose sum is σ = 30255120. Its totient is φ = 5693888.

The previous prime is 14320939. The next prime is 14320949. The reversal of 14320940 is 4902341.

It is not an unprimeable number, because it can be changed into a prime (14320949) 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 7 ways as a sum of consecutive naturals, for example, 1391 + ... + 5529.

It is an arithmetic number, because the mean of its divisors is an integer number (1260630).

Almost surely, 214320940 is an apocalyptic number.

14320940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14320940 is an abundant number, since it is smaller than the sum of its proper divisors (15934180).

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

14320940 is a wasteful number, since it uses less digits than its factorization.

14320940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321 (or 4319 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 14320940 is about 3784.3017850061. The cubic root of 14320940 is about 242.8420227858.

The spelling of 14320940 in words is "fourteen million, three hundred twenty thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 173 346 692 865 1730 3460 4139 8278 16556 20695 41390 82780 716047 1432094 2864188 3580235 7160470 14320940