Search a number
-
+
140712100 = 225219312389
BaseRepresentation
bin10000110001100…
…01100010100100
3100210202220201021
420120301202210
5242010241400
621543540524
73326014234
oct1030614244
9323686637
10140712100
11724790a1
123b15a744
13231c94c9
141498bcc4
15c54771a
hex86318a4

140712100 has 72 divisors (see below), whose sum is σ = 331923200. Its totient is φ = 51580800.

The previous prime is 140712083. The next prime is 140712163. The reversal of 140712100 is 1217041.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57706 + ... + 60094.

Almost surely, 2140712100 is an apocalyptic number.

140712100 is a gapful number since it is divisible by the number (10) 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 140712100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165961600).

140712100 is an abundant number, since it is smaller than the sum of its proper divisors (191211100).

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

140712100 is a wasteful number, since it uses less digits than its factorization.

140712100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453 (or 2446 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 140712100 is about 11862.2131156037. The cubic root of 140712100 is about 520.1282967458.

Adding to 140712100 its reverse (1217041), we get a palindrome (141929141).

The spelling of 140712100 in words is "one hundred forty million, seven hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 19 20 25 31 38 50 62 76 95 100 124 155 190 310 380 475 589 620 775 950 1178 1550 1900 2356 2389 2945 3100 4778 5890 9556 11780 11945 14725 23890 29450 45391 47780 58900 59725 74059 90782 119450 148118 181564 226955 238900 296236 370295 453910 740590 907820 1134775 1407121 1481180 1851475 2269550 2814242 3702950 4539100 5628484 7035605 7405900 14071210 28142420 35178025 70356050 140712100