Search a number
-
+
140424492 = 22313900157
BaseRepresentation
bin10000101111010…
…11010100101100
3100210020022012010
420113223110230
5241422040432
621533441220
73323405565
oct1027532454
9323208163
10140424492
11722a1aaa
123b040210
1323128620
141491516c
15c4dc3cc
hex85eb52c

140424492 has 24 divisors (see below), whose sum is σ = 352861936. Its totient is φ = 43207488.

The previous prime is 140424491. The next prime is 140424517. The reversal of 140424492 is 294424041.

140424492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140424491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449923 + ... + 450234.

Almost surely, 2140424492 is an apocalyptic number.

140424492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140424492 is an abundant number, since it is smaller than the sum of its proper divisors (212437444).

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

140424492 is a wasteful number, since it uses less digits than its factorization.

140424492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900177 (or 900175 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 140424492 is about 11850.0840503348. The cubic root of 140424492 is about 519.7736835672.

The spelling of 140424492 in words is "one hundred forty million, four hundred twenty-four thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 900157 1800314 2700471 3600628 5400942 10801884 11702041 23404082 35106123 46808164 70212246 140424492