Search a number
-
+
14393520 = 2432519991
BaseRepresentation
bin110110111010…
…000010110000
31000002021012100
4312322002300
512141043040
61232300400
7233225421
oct66720260
930067170
1014393520
118141079
1249a1700
132c9c59b
141ca9648
1513e4b30
hexdba0b0

14393520 has 60 divisors (see below), whose sum is σ = 48340656. Its totient is φ = 3838080.

The previous prime is 14393497. The next prime is 14393521. The reversal of 14393520 is 2539341.

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (14393521) 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, 9276 + ... + 10715.

Almost surely, 214393520 is an apocalyptic number.

14393520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14393520 is an abundant number, since it is smaller than the sum of its proper divisors (33947136).

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

14393520 is a wasteful number, since it uses less digits than its factorization.

14393520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20010 (or 20001 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 14393520 is about 3793.8792811580. The cubic root of 14393520 is about 243.2515811356.

The spelling of 14393520 in words is "fourteen million, three hundred ninety-three thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 19991 39982 59973 79964 99955 119946 159928 179919 199910 239892 299865 319856 359838 399820 479784 599730 719676 799640 899595 959568 1199460 1439352 1599280 1799190 2398920 2878704 3598380 4797840 7196760 14393520