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140184448 = 2717232801
BaseRepresentation
bin10000101101100…
…00101110000000
3100202210002220121
420112300232000
5241341400243
621524350024
73321356005
oct1026605600
9322702817
10140184448
1172148718
123ab45314
13230732a1
14148918ac
15c4911ed
hex85b0b80

140184448 has 64 divisors (see below), whose sum is σ = 308668320. Its totient is φ = 63078400.

The previous prime is 140184439. The next prime is 140184467. The reversal of 140184448 is 844481041.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1401844482 = 39303358922129408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48648 + ... + 51448.

Almost surely, 2140184448 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 140184448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154334160).

140184448 is an abundant number, since it is smaller than the sum of its proper divisors (168483872).

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

140184448 is a wasteful number, since it uses less digits than its factorization.

140184448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855 (or 2843 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 140184448 is about 11839.9513512514. The cubic root of 140184448 is about 519.4773446743.

It can be divided in two parts, 1401 and 84448, that added together give a square (85849 = 2932).

The spelling of 140184448 in words is "one hundred forty million, one hundred eighty-four thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 17 23 32 34 46 64 68 92 128 136 184 272 368 391 544 736 782 1088 1472 1564 2176 2801 2944 3128 5602 6256 11204 12512 22408 25024 44816 47617 50048 64423 89632 95234 128846 179264 190468 257692 358528 380936 515384 761872 1030768 1095191 1523744 2061536 2190382 3047488 4123072 4380764 6094976 8246144 8761528 17523056 35046112 70092224 140184448