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140808725 = 52103149367
BaseRepresentation
bin10000110010010…
…01001000010101
3100210221211020222
420121021020111
5242021334400
621550004125
73326566031
oct1031111025
9323854228
10140808725
1172534752
123b1a6645
1323231495
14149b51c1
15c566185
hex8649215

140808725 has 24 divisors (see below), whose sum is σ = 177964800. Its totient is φ = 110502720.

The previous prime is 140808713. The next prime is 140808761. The reversal of 140808725 is 527808041.

It is not a de Polignac number, because 140808725 - 214 = 140792341 is a prime.

It is a super-2 number, since 2×1408087252 = 39654194072251250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 383492 + ... + 383858.

It is an arithmetic number, because the mean of its divisors is an integer number (7415200).

Almost surely, 2140808725 is an apocalyptic number.

It is an amenable number.

140808725 is a deficient number, since it is larger than the sum of its proper divisors (37156075).

140808725 is a wasteful number, since it uses less digits than its factorization.

140808725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 140808725 is about 11866.2852232702. The cubic root of 140808725 is about 520.2473244091.

The spelling of 140808725 in words is "one hundred forty million, eight hundred eight thousand, seven hundred twenty-five".

Divisors: 1 5 25 103 149 367 515 745 1835 2575 3725 9175 15347 37801 54683 76735 189005 273415 383675 945025 1367075 5632349 28161745 140808725