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14378772 = 2232359883
BaseRepresentation
bin110110110110…
…011100010100
31000001111222010
4312312130110
512140110042
61232104220
7233134422
oct66663424
930044863
1014378772
118130a91
124995070
132c95965
141ca4112
1513e059c
hexdb6714

14378772 has 48 divisors (see below), whose sum is σ = 35642880. Its totient is φ = 4501728.

The previous prime is 14378759. The next prime is 14378773. The reversal of 14378772 is 27787341.

It is a self number, because there is not a number n which added to its sum of digits gives 14378772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14378773) 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, 15843 + ... + 16725.

It is an arithmetic number, because the mean of its divisors is an integer number (742560).

Almost surely, 214378772 is an apocalyptic number.

14378772 is a gapful number since it is divisible by the number (12) 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 14378772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17821440).

14378772 is an abundant number, since it is smaller than the sum of its proper divisors (21264108).

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

14378772 is a wasteful number, since it uses less digits than its factorization.

14378772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 970 counting only the distinct ones).

The product of its digits is 65856, while the sum is 39.

The square root of 14378772 is about 3791.9351260273. The cubic root of 14378772 is about 243.1684719705.

The spelling of 14378772 in words is "fourteen million, three hundred seventy-eight thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 23 46 59 69 92 118 138 177 236 276 354 708 883 1357 1766 2649 2714 3532 4071 5298 5428 8142 10596 16284 20309 40618 52097 60927 81236 104194 121854 156291 208388 243708 312582 625164 1198231 2396462 3594693 4792924 7189386 14378772