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13956480 = 273252423
BaseRepresentation
bin110101001111…
…010110000000
3222021001200200
4311033112000
512033101410
61215045200
7226425306
oct65172600
928231620
1013956480
11797278a
124810800
132b78695
141bd4276
15135a3c0
hexd4f580

13956480 has 96 divisors (see below), whose sum is σ = 48213360. Its totient is φ = 3720192.

The previous prime is 13956463. The next prime is 13956487. The reversal of 13956480 is 8465931.

13956480 is a `hidden beast` number, since 1 + 3 + 9 + 5 + 648 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13956487) 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, 4549 + ... + 6971.

Almost surely, 213956480 is an apocalyptic number.

13956480 is a gapful number since it is divisible by the number (10) 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 13956480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24106680).

13956480 is an abundant number, since it is smaller than the sum of its proper divisors (34256880).

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

13956480 is a wasteful number, since it uses less digits than its factorization.

13956480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448 (or 2433 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 13956480 is about 3735.8372555560. The cubic root of 13956480 is about 240.7642305489.

It can be divided in two parts, 1395 and 6480, that added together give a triangular number (7875 = T125).

The spelling of 13956480 in words is "thirteen million, nine hundred fifty-six thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 288 320 360 384 480 576 640 720 960 1152 1440 1920 2423 2880 4846 5760 7269 9692 12115 14538 19384 21807 24230 29076 36345 38768 43614 48460 58152 72690 77536 87228 96920 109035 116304 145380 155072 174456 193840 218070 232608 290760 310144 348912 387680 436140 465216 581520 697824 775360 872280 930432 1163040 1395648 1550720 1744560 2326080 2791296 3489120 4652160 6978240 13956480