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140910 = 23571161
BaseRepresentation
bin100010011001101110
321011021220
4202121232
514002120
63004210
71124550
oct423156
9234256
10140910
1196960
1269666
134c1a3
14394d0
152bb40
hex2266e

140910 has 64 divisors (see below), whose sum is σ = 428544. Its totient is φ = 28800.

The previous prime is 140909. The next prime is 140929. The reversal of 140910 is 19041.

140910 = T86 + T87 + ... + T113.

140910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 140910.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2280 + ... + 2340.

It is an arithmetic number, because the mean of its divisors is an integer number (6696).

2140910 is an apocalyptic number.

140910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214272).

140910 is an abundant number, since it is smaller than the sum of its proper divisors (287634).

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

140910 is a wasteful number, since it uses less digits than its factorization.

140910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 140910 is about 375.3798076615. The cubic root of 140910 is about 52.0372021751.

Adding to 140910 its reverse (19041), we get a palindrome (159951).

The spelling of 140910 in words is "one hundred forty thousand, nine hundred ten".

Divisors: 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 61 66 70 77 105 110 122 154 165 183 210 231 305 330 366 385 427 462 610 671 770 854 915 1155 1281 1342 1830 2013 2135 2310 2562 3355 4026 4270 4697 6405 6710 9394 10065 12810 14091 20130 23485 28182 46970 70455 140910