Search a number
-
+
140309202 = 231111511847
BaseRepresentation
bin10000101110011…
…11001011010010
3100210000110001010
420113033023102
5241404343302
621531151350
73322415505
oct1027171322
9323013033
10140309202
1172223420
123aba5556
13230b7cc7
14148c513c
15c4b816c
hex85cf2d2

140309202 has 32 divisors (see below), whose sum is σ = 306561024. Its totient is φ = 42458000.

The previous prime is 140309149. The next prime is 140309231. The reversal of 140309202 is 202903041.

140309202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75043 + ... + 76889.

It is an arithmetic number, because the mean of its divisors is an integer number (9580032).

Almost surely, 2140309202 is an apocalyptic number.

140309202 is an abundant number, since it is smaller than the sum of its proper divisors (166251822).

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

140309202 is a wasteful number, since it uses less digits than its factorization.

140309202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 140309202 is about 11845.2185290099. The cubic root of 140309202 is about 519.6313980485.

It can be divided in two parts, 14030 and 9202, that added together give a palindrome (23232).

The spelling of 140309202 in words is "one hundred forty million, three hundred nine thousand, two hundred two".

Divisors: 1 2 3 6 11 22 33 66 1151 1847 2302 3453 3694 5541 6906 11082 12661 20317 25322 37983 40634 60951 75966 121902 2125897 4251794 6377691 12755382 23384867 46769734 70154601 140309202