Search a number
-
+
140221125 = 3453111259
BaseRepresentation
bin10000101101110…
…01101011000101
3100202211222020000
420112321223011
5241344034000
621525231513
73321600642
oct1026715305
9322758200
10140221125
1172173230
123ab62599
1323086ba5
14148a0dc9
15c49c000
hex85b9ac5

140221125 has 80 divisors (see below), whose sum is σ = 285405120. Its totient is φ = 67932000.

The previous prime is 140221097. The next prime is 140221223. The reversal of 140221125 is 521122041.

140221125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140221125 - 224 = 123443909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140221098 and 140221107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 110746 + ... + 112004.

It is an arithmetic number, because the mean of its divisors is an integer number (3567564).

Almost surely, 2140221125 is an apocalyptic number.

140221125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140221125 is an abundant number, since it is smaller than the sum of its proper divisors (145183995).

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

140221125 is a wasteful number, since it uses less digits than its factorization.

140221125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 140221125 is about 11841.5001161170. The cubic root of 140221125 is about 519.5226450136.

Adding to 140221125 its reverse (521122041), we get a palindrome (661343166).

The spelling of 140221125 in words is "one hundred forty million, two hundred twenty-one thousand, one hundred twenty-five".

Divisors: 1 3 5 9 11 15 25 27 33 45 55 75 81 99 125 135 165 225 275 297 375 405 495 675 825 891 1125 1259 1375 1485 2025 2475 3375 3777 4125 4455 6295 7425 10125 11331 12375 13849 18885 22275 31475 33993 37125 41547 56655 69245 94425 101979 111375 124641 157375 169965 207735 283275 346225 373923 472125 509895 623205 849825 1038675 1121769 1416375 1731125 1869615 2549475 3116025 4249125 5193375 5608845 9348075 12747375 15580125 28044225 46740375 140221125