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14679440 = 245281653
BaseRepresentation
bin110111111111…
…110110010000
31000121210101222
4313333312100
512224220230
61242344212
7235526126
oct67776620
930553358
1014679440
118316976
124abb068
13306c779
141d41916
15144e6e5
hexdffd90

14679440 has 40 divisors (see below), whose sum is σ = 34303608. Its totient is φ = 5841920.

The previous prime is 14679433. The next prime is 14679443. The reversal of 14679440 is 4497641.

It can be written as a sum of positive squares in 4 ways, for example, as 1048576 + 13630864 = 1024^2 + 3692^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 14679440.

It is not an unprimeable number, because it can be changed into a prime (14679443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22154 + ... + 22806.

Almost surely, 214679440 is an apocalyptic number.

14679440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14679440 is an abundant number, since it is smaller than the sum of its proper divisors (19624168).

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

14679440 is a wasteful number, since it uses less digits than its factorization.

14679440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 14679440 is about 3831.3757320315. The cubic root of 14679440 is about 244.8517220230.

The spelling of 14679440 in words is "fourteen million, six hundred seventy-nine thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 281 562 653 1124 1306 1405 2248 2612 2810 3265 4496 5224 5620 6530 10448 11240 13060 22480 26120 52240 183493 366986 733972 917465 1467944 1834930 2935888 3669860 7339720 14679440