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140431300 = 22524729879
BaseRepresentation
bin10000101111011…
…00111111000100
3100210020122112021
420113230333010
5241422300200
621533532524
73323434462
oct1027547704
9323218467
10140431300
11722a7129
123b044144
132312b759
1414917832
15c4de41a
hex85ecfc4

140431300 has 36 divisors (see below), whose sum is σ = 311230080. Its totient is φ = 54975520.

The previous prime is 140431279. The next prime is 140431301. The reversal of 140431300 is 3134041.

140431300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140431301) 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, 10240 + ... + 19639.

It is an arithmetic number, because the mean of its divisors is an integer number (8645280).

Almost surely, 2140431300 is an apocalyptic number.

140431300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140431300 is an abundant number, since it is smaller than the sum of its proper divisors (170798780).

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

140431300 is a wasteful number, since it uses less digits than its factorization.

140431300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29940 (or 29933 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140431300 is about 11850.3713021998. The cubic root of 140431300 is about 519.7820832464.

Adding to 140431300 its reverse (3134041), we get a palindrome (143565341).

The spelling of 140431300 in words is "one hundred forty million, four hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 47 50 94 100 188 235 470 940 1175 2350 4700 29879 59758 119516 149395 298790 597580 746975 1404313 1493950 2808626 2987900 5617252 7021565 14043130 28086260 35107825 70215650 140431300