Search a number
-
+
140208 = 24323127
BaseRepresentation
bin100010001110110000
321010022220
4202032300
513441313
63001040
71122525
oct421660
9233286
10140208
1196382
1269180
134ba83
143914c
152b823
hex223b0

140208 has 40 divisors (see below), whose sum is σ = 380928. Its totient is φ = 44352.

The previous prime is 140207. The next prime is 140221. The reversal of 140208 is 802041.

It is not an unprimeable number, because it can be changed into a prime (140207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041 + ... + 1167.

2140208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190464).

140208 is an abundant number, since it is smaller than the sum of its proper divisors (240720).

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

140208 is a wasteful number, since it uses less digits than its factorization.

140208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 140208 is about 374.4435872064. The cubic root of 140208 is about 51.9506435027.

Adding to 140208 its reverse (802041), we get a palindrome (942249).

It can be divided in two parts, 14020 and 8, that added together give a triangular number (14028 = T167).

The spelling of 140208 in words is "one hundred forty thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 127 138 184 254 276 368 381 508 552 762 1016 1104 1524 2032 2921 3048 5842 6096 8763 11684 17526 23368 35052 46736 70104 140208