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140423750 = 254112339
BaseRepresentation
bin10000101111010…
…11001001000110
3100210020021011122
420113223021012
5241422030000
621533433542
73323403455
oct1027531106
9323207148
10140423750
11722a1495
123b03b8b2
132312819c
1414914b9c
15c4dc085
hex85eb246

140423750 has 20 divisors (see below), whose sum is σ = 263212620. Its totient is φ = 56169000.

The previous prime is 140423743. The next prime is 140423779. The reversal of 140423750 is 57324041.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 54920 + ... + 57419.

It is an arithmetic number, because the mean of its divisors is an integer number (13160631).

Almost surely, 2140423750 is an apocalyptic number.

140423750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140423750 is a deficient number, since it is larger than the sum of its proper divisors (122788870).

140423750 is an equidigital number, since it uses as much as digits as its factorization.

140423750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112361 (or 112346 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 140423750 is about 11850.0527424987. The cubic root of 140423750 is about 519.7727680746.

Adding to 140423750 its reverse (57324041), we get a palindrome (197747791).

The spelling of 140423750 in words is "one hundred forty million, four hundred twenty-three thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 625 1250 112339 224678 561695 1123390 2808475 5616950 14042375 28084750 70211875 140423750