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140425390 = 2571925557
BaseRepresentation
bin10000101111010…
…11100010101110
3100210020100102101
420113223202232
5241422103030
621533445314
73323411320
oct1027534256
9323210371
10140425390
11722a2746
123b04083a
1323128b61
1414915610
15c4dc7ca
hex85eb8ae

140425390 has 48 divisors (see below), whose sum is σ = 304934112. Its totient is φ = 45603648.

The previous prime is 140425349. The next prime is 140425391. The reversal of 140425390 is 93524041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140425391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22492 + ... + 28048.

It is an arithmetic number, because the mean of its divisors is an integer number (6352794).

Almost surely, 2140425390 is an apocalyptic number.

140425390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140425390 is an abundant number, since it is smaller than the sum of its proper divisors (164508722).

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

140425390 is a wasteful number, since it uses less digits than its factorization.

140425390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5609 (or 5590 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 140425390 is about 11850.1219403009. The cubic root of 140425390 is about 519.7747915311.

The spelling of 140425390 in words is "one hundred forty million, four hundred twenty-five thousand, three hundred ninety".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 361 665 722 1330 1805 2527 3610 5054 5557 11114 12635 25270 27785 38899 55570 77798 105583 194495 211166 388990 527915 739081 1055830 1478162 2006077 3695405 4012154 7390810 10030385 14042539 20060770 28085078 70212695 140425390