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140425420 = 22523892939
BaseRepresentation
bin10000101111010…
…11100011001100
3100210020100110111
420113223203030
5241422103140
621533445404
73323411362
oct1027534314
9323210414
10140425420
11722a2773
123b040864
1323128b85
1414915632
15c4dc7ea
hex85eb8cc

140425420 has 24 divisors (see below), whose sum is σ = 295117200. Its totient is φ = 56127552.

The previous prime is 140425399. The next prime is 140425421. The reversal of 140425420 is 24524041.

It is a happy number.

140425420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140425391 and 140425400.

It is not an unprimeable number, because it can be changed into a prime (140425421) 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, 46311 + ... + 49249.

It is an arithmetic number, because the mean of its divisors is an integer number (12296550).

Almost surely, 2140425420 is an apocalyptic number.

140425420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140425420 is an abundant number, since it is smaller than the sum of its proper divisors (154691780).

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

140425420 is a wasteful number, since it uses less digits than its factorization.

140425420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337 (or 5335 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 140425420 is about 11850.1232061106. The cubic root of 140425420 is about 519.7748285454.

Adding to 140425420 its reverse (24524041), we get a palindrome (164949461).

The spelling of 140425420 in words is "one hundred forty million, four hundred twenty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2389 2939 4778 5878 9556 11756 11945 14695 23890 29390 47780 58780 7021271 14042542 28085084 35106355 70212710 140425420