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140431203 = 321117181461
BaseRepresentation
bin10000101111011…
…00111101100011
3100210020122101200
420113230331203
5241422244303
621533532243
73323434263
oct1027547543
9323218350
10140431203
11722a7050
123b044083
132312b6b3
14149177a3
15c4de3a3
hex85ecf63

140431203 has 48 divisors (see below), whose sum is σ = 236107872. Its totient is φ = 79488000.

The previous prime is 140431201. The next prime is 140431219. The reversal of 140431203 is 302134041.

It is not a de Polignac number, because 140431203 - 21 = 140431201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140431201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 304393 + ... + 304853.

It is an arithmetic number, because the mean of its divisors is an integer number (4918914).

Almost surely, 2140431203 is an apocalyptic number.

140431203 is a deficient number, since it is larger than the sum of its proper divisors (95676669).

140431203 is a wasteful number, since it uses less digits than its factorization.

140431203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140431203 is about 11850.3672095003. The cubic root of 140431203 is about 519.7819635702.

Adding to 140431203 its reverse (302134041), we get a palindrome (442565244).

The spelling of 140431203 in words is "one hundred forty million, four hundred thirty-one thousand, two hundred three".

Divisors: 1 3 9 11 17 33 51 99 153 181 187 461 543 561 1383 1629 1683 1991 3077 4149 5071 5973 7837 9231 15213 17919 23511 27693 33847 45639 70533 83441 86207 101541 250323 258621 304623 750969 775863 917851 1418497 2753553 4255491 8260659 12766473 15603467 46810401 140431203