Search a number
-
+
140448041 = 374997607
BaseRepresentation
bin10000101111100…
…01000100101001
3100210021111111022
420113301010221
5241423314131
621534142225
73323534336
oct1027610451
9323244438
10140448041
1172308768
123b051975
1323136266
141491d98d
15c4e437b
hex85f1129

140448041 has 8 divisors (see below), whose sum is σ = 144552000. Its totient is φ = 136360368.

The previous prime is 140448037. The next prime is 140448053. The reversal of 140448041 is 140844041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140448041 - 22 = 140448037 is a prime.

It is a super-4 number, since 4×1404480414 (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140448041.

It is not an unprimeable number, because it can be changed into a prime (140448071) 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, 14660 + ... + 22266.

It is an arithmetic number, because the mean of its divisors is an integer number (18069000).

Almost surely, 2140448041 is an apocalyptic number.

It is an amenable number.

140448041 is a deficient number, since it is larger than the sum of its proper divisors (4103959).

140448041 is an equidigital number, since it uses as much as digits as its factorization.

140448041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 140448041 is about 11851.0776303254. The cubic root of 140448041 is about 519.8027370610.

The spelling of 140448041 in words is "one hundred forty million, four hundred forty-eight thousand, forty-one".

Divisors: 1 37 499 7607 18463 281459 3795893 140448041