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140047224 = 23317343253
BaseRepresentation
bin10000101100011…
…11001101111000
3100202112010200020
420112033031320
5241323002344
621521410440
73320244642
oct1026171570
9322463606
10140047224
1172064609
123aa99a20
13230259a5
1414857892
15c465719
hex858f378

140047224 has 32 divisors (see below), whose sum is σ = 370714320. Its totient is φ = 43936256.

The previous prime is 140047223. The next prime is 140047247. The reversal of 140047224 is 422740041.

140047224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1400472243 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 140047194 and 140047203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140047223) 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, 171219 + ... + 172034.

Almost surely, 2140047224 is an apocalyptic number.

It is an amenable number.

140047224 is an abundant number, since it is smaller than the sum of its proper divisors (230667096).

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

140047224 is a wasteful number, since it uses less digits than its factorization.

140047224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343279 (or 343275 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 140047224 is about 11834.1549761696. The cubic root of 140047224 is about 519.3077870365.

Adding to 140047224 its reverse (422740041), we get a palindrome (562787265).

The spelling of 140047224 in words is "one hundred forty million, forty-seven thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 343253 686506 1029759 1373012 2059518 2746024 4119036 5835301 8238072 11670602 17505903 23341204 35011806 46682408 70023612 140047224