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140144112 = 24321795437
BaseRepresentation
bin10000101101001…
…10110111110000
3100202201001120200
420112212313300
5241334102422
621523435200
73321130263
oct1026466760
9322631520
10140144112
1172120389
123ab25b00
132305ab14
1414880cda
15c4842ac
hex85a6df0

140144112 has 60 divisors (see below), whose sum is σ = 394472520. Its totient is φ = 46445184.

The previous prime is 140144111. The next prime is 140144143. The reversal of 140144112 is 211441041.

140144112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140144111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23058 + ... + 28494.

It is an arithmetic number, because the mean of its divisors is an integer number (6574542).

Almost surely, 2140144112 is an apocalyptic number.

140144112 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 140144112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197236260).

140144112 is an abundant number, since it is smaller than the sum of its proper divisors (254328408).

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

140144112 is a wasteful number, since it uses less digits than its factorization.

140144112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5630 (or 5621 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 140144112 is about 11838.2478433255. The cubic root of 140144112 is about 519.4275159225.

Adding to 140144112 its reverse (211441041), we get a palindrome (351585153).

The spelling of 140144112 in words is "one hundred forty million, one hundred forty-four thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 179 358 537 716 1074 1432 1611 2148 2864 3222 4296 5437 6444 8592 10874 12888 16311 21748 25776 32622 43496 48933 65244 86992 97866 130488 195732 260976 391464 782928 973223 1946446 2919669 3892892 5839338 7785784 8759007 11678676 15571568 17518014 23357352 35036028 46714704 70072056 140144112