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142437025 = 5247241503
BaseRepresentation
bin10000111110101…
…10101010100001
3100221000112212101
420133112222201
5242430441100
622044530401
73346460203
oct1037265241
9327015771
10142437025
1173447055
123b850a01
1323681683
1414cba773
15c78886a
hex87d6aa1

142437025 has 24 divisors (see below), whose sum is σ = 181488384. Its totient is φ = 110841600.

The previous prime is 142437017. The next prime is 142437041. The reversal of 142437025 is 520734241.

142437025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142437025 - 23 = 142437017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142436984 and 142437002.

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, 282924 + ... + 283426.

It is an arithmetic number, because the mean of its divisors is an integer number (7562016).

Almost surely, 2142437025 is an apocalyptic number.

It is an amenable number.

142437025 is a deficient number, since it is larger than the sum of its proper divisors (39051359).

142437025 is a wasteful number, since it uses less digits than its factorization.

142437025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 142437025 is about 11934.6983623383. The cubic root of 142437025 is about 522.2450088560.

The spelling of 142437025 in words is "one hundred forty-two million, four hundred thirty-seven thousand, twenty-five".

Divisors: 1 5 25 47 235 241 503 1175 1205 2515 6025 11327 12575 23641 56635 118205 121223 283175 591025 606115 3030575 5697481 28487405 142437025