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140719 = 1091291
BaseRepresentation
bin100010010110101111
321011000211
4202112233
514000334
63003251
71124155
oct422657
9234024
10140719
11967a7
1269527
134c087
14393d5
152ba64
hex225af

140719 has 4 divisors (see below), whose sum is σ = 142120. Its totient is φ = 139320.

The previous prime is 140717. The next prime is 140729. The reversal of 140719 is 917041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140719 - 21 = 140717 is a prime.

It is a super-2 number, since 2×1407192 = 39603673922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 140719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537 + ... + 754.

It is an arithmetic number, because the mean of its divisors is an integer number (35530).

2140719 is an apocalyptic number.

140719 is a deficient number, since it is larger than the sum of its proper divisors (1401).

140719 is a wasteful number, since it uses less digits than its factorization.

140719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 140719 is about 375.1253123957. The cubic root of 140719 is about 52.0136798328.

The spelling of 140719 in words is "one hundred forty thousand, seven hundred nineteen".

Divisors: 1 109 1291 140719