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13746144 = 253312149
BaseRepresentation
bin110100011011…
…111111100000
3221212101011110
4310123333200
512004334034
61210343320
7224561136
oct64337740
927771143
1013746144
117839755
12472ab40
132b03a19
141b7b756
151317de9
hexd1bfe0

13746144 has 72 divisors (see below), whose sum is σ = 37535400. Its totient is φ = 4404480.

The previous prime is 13746107. The next prime is 13746151. The reversal of 13746144 is 44164731.

Its product of digits (8064) is a multiple of the sum of its prime factors (224).

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, 92182 + ... + 92330.

It is an arithmetic number, because the mean of its divisors is an integer number (521325).

Almost surely, 213746144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13746144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18767700).

13746144 is an abundant number, since it is smaller than the sum of its proper divisors (23789256).

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

13746144 is a wasteful number, since it uses less digits than its factorization.

13746144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 185 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 13746144 is about 3707.5792641561. The cubic root of 13746144 is about 239.5485959534.

The spelling of 13746144 in words is "thirteen million, seven hundred forty-six thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 93 96 124 149 186 248 298 372 447 496 596 744 894 961 992 1192 1488 1788 1922 2384 2883 2976 3576 3844 4619 4768 5766 7152 7688 9238 11532 13857 14304 15376 18476 23064 27714 30752 36952 46128 55428 73904 92256 110856 143189 147808 221712 286378 429567 443424 572756 859134 1145512 1718268 2291024 3436536 4582048 6873072 13746144