Search a number
-
+
140427900 = 223252337463
BaseRepresentation
bin10000101111011…
…00001001111100
3100210020110212100
420113230021330
5241422143100
621533505100
73323421534
oct1027541174
9323213770
10140427900
11722a4618
123b042190
132312a042
14149164c4
15c4dd400
hex85ec27c

140427900 has 108 divisors (see below), whose sum is σ = 442423072. Its totient is φ = 37255680.

The previous prime is 140427887. The next prime is 140427907. The reversal of 140427900 is 9724041.

It is a happy number.

140427900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140427907) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 303069 + ... + 303531.

Almost surely, 2140427900 is an apocalyptic number.

140427900 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 140427900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221211536).

140427900 is an abundant number, since it is smaller than the sum of its proper divisors (301995172).

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

140427900 is a wasteful number, since it uses less digits than its factorization.

140427900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 140427900 is about 11850.2278459108. The cubic root of 140427900 is about 519.7778883760. Note that the first 3 decimals are identical.

The spelling of 140427900 in words is "one hundred forty million, four hundred twenty-seven thousand, nine hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 337 450 463 674 900 926 1011 1348 1389 1685 1852 2022 2315 2778 3033 3370 4044 4167 4630 5055 5556 6066 6740 6945 8334 8425 9260 10110 11575 12132 13890 15165 16668 16850 20220 20835 23150 25275 27780 30330 33700 34725 41670 46300 50550 60660 69450 75825 83340 101100 104175 138900 151650 156031 208350 303300 312062 416700 468093 624124 780155 936186 1404279 1560310 1872372 2340465 2808558 3120620 3900775 4680930 5617116 7021395 7801550 9361860 11702325 14042790 15603100 23404650 28085580 35106975 46809300 70213950 140427900