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13625472 = 273737137
BaseRepresentation
bin110011111110…
…100010000000
3221122020122010
4303332202000
511442003342
61204012520
7223546260
oct63764200
927566563
1013625472
117767023
124691140
132a90b13
141b497a0
1512e229c
hexcfe880

13625472 has 128 divisors (see below), whose sum is σ = 42791040. Its totient is φ = 3760128.

The previous prime is 13625467. The next prime is 13625473. The reversal of 13625472 is 27452631.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (13625473) 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 15 ways as a sum of consecutive naturals, for example, 99388 + ... + 99524.

It is an arithmetic number, because the mean of its divisors is an integer number (334305).

Almost surely, 213625472 is an apocalyptic number.

13625472 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 13625472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21395520).

13625472 is an abundant number, since it is smaller than the sum of its proper divisors (29165568).

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

13625472 is a wasteful number, since it uses less digits than its factorization.

13625472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 186 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 13625472 is about 3691.2697002522. The cubic root of 13625472 is about 238.8455670335.

The spelling of 13625472 in words is "thirteen million, six hundred twenty-five thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 37 42 48 56 64 74 84 96 111 112 128 137 148 168 192 222 224 259 274 296 336 384 411 444 448 518 548 592 672 777 822 888 896 959 1036 1096 1184 1344 1554 1644 1776 1918 2072 2192 2368 2688 2877 3108 3288 3552 3836 4144 4384 4736 5069 5754 6216 6576 7104 7672 8288 8768 10138 11508 12432 13152 14208 15207 15344 16576 17536 20276 23016 24864 26304 30414 30688 33152 35483 40552 46032 49728 52608 60828 61376 70966 81104 92064 99456 106449 121656 122752 141932 162208 184128 212898 243312 283864 324416 368256 425796 486624 567728 648832 851592 973248 1135456 1703184 1946496 2270912 3406368 4541824 6812736 13625472