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140118616 = 231119181463
BaseRepresentation
bin10000101101000…
…00101001011000
3100202122202121101
420112200221120
5241332243431
621523121144
73320663041
oct1026405130
9322582541
10140118616
1172103210
123ab131b4
132304c331
14148758c8
15c47b961
hex85a0a58

140118616 has 64 divisors (see below), whose sum is σ = 304012800. Its totient is φ = 59875200.

The previous prime is 140118611. The next prime is 140118619. The reversal of 140118616 is 616811041.

140118616 is nontrivially palindromic in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140118611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302401 + ... + 302863.

It is an arithmetic number, because the mean of its divisors is an integer number (4750200).

Almost surely, 2140118616 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 140118616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152006400).

140118616 is an abundant number, since it is smaller than the sum of its proper divisors (163894184).

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

140118616 is a wasteful number, since it uses less digits than its factorization.

140118616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 140118616 is about 11837.1709457961. The cubic root of 140118616 is about 519.3960147129.

Adding to 140118616 its reverse (616811041), we get a palindrome (756929657).

The spelling of 140118616 in words is "one hundred forty million, one hundred eighteen thousand, six hundred sixteen".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 152 181 209 362 418 463 724 836 926 1448 1672 1852 1991 3439 3704 3982 5093 6878 7964 8797 10186 13756 15928 17594 20372 27512 35188 37829 40744 70376 75658 83803 96767 151316 167606 193534 302632 335212 387068 670424 774136 921833 1592257 1843666 3184514 3687332 6369028 7374664 12738056 17514827 35029654 70059308 140118616