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140775 = 3521877
BaseRepresentation
bin100010010111100111
321011002220
4202113213
514001100
63003423
71124265
oct422747
9234086
10140775
1196848
1269573
134c0cb
1439435
152baa0
hex225e7

140775 has 12 divisors (see below), whose sum is σ = 232872. Its totient is φ = 75040.

The previous prime is 140773. The next prime is 140779. The reversal of 140775 is 577041.

It is not a de Polignac number, because 140775 - 21 = 140773 is a prime.

It is an Ulam number.

140775 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140773) 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, 864 + ... + 1013.

It is an arithmetic number, because the mean of its divisors is an integer number (19406).

2140775 is an apocalyptic number.

140775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140775 is a deficient number, since it is larger than the sum of its proper divisors (92097).

140775 is a wasteful number, since it uses less digits than its factorization.

140775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890 (or 1885 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 140775 is about 375.1999466951. The cubic root of 140775 is about 52.0205786401.

The spelling of 140775 in words is "one hundred forty thousand, seven hundred seventy-five".

Divisors: 1 3 5 15 25 75 1877 5631 9385 28155 46925 140775