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13444032 = 263721429
BaseRepresentation
bin110011010010…
…001111000000
3221022000202010
4303102033000
511420202112
61200052520
7222162300
oct63221700
927260663
1013444032
117652778
124604140
132a29364
141add600
1512a863c
hexcd23c0

13444032 has 84 divisors (see below), whose sum is σ = 41407080. Its totient is φ = 3838464.

The previous prime is 13444027. The next prime is 13444043. The reversal of 13444032 is 23044431.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (21).

13444032 is a modest number, since divided by 4032 gives 1344 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8694 + ... + 10122.

Almost surely, 213444032 is an apocalyptic number.

13444032 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 13444032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20703540).

13444032 is an abundant number, since it is smaller than the sum of its proper divisors (27963048).

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

13444032 is a wasteful number, since it uses less digits than its factorization.

13444032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458 (or 1441 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 13444032 is about 3666.6104238111. The cubic root of 13444032 is about 237.7806514212.

Adding to 13444032 its reverse (23044431), we get a palindrome (36488463).

The spelling of 13444032 in words is "thirteen million, four hundred forty-four thousand, thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 147 168 192 196 224 294 336 392 448 588 672 784 1176 1344 1429 1568 2352 2858 3136 4287 4704 5716 8574 9408 10003 11432 17148 20006 22864 30009 34296 40012 45728 60018 68592 70021 80024 91456 120036 137184 140042 160048 210063 240072 274368 280084 320096 420126 480144 560168 640192 840252 960288 1120336 1680504 1920576 2240672 3361008 4481344 6722016 13444032