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142525340 = 22542116927
BaseRepresentation
bin10000111111011…
…00001110011100
3100221012001000022
420133230032130
5242441302330
622050451312
73350305526
oct1037541634
9327161008
10142525340
11734a7441
123b893b38
13236b2929
1414d00a16
15c7a4ae5
hex87ec39c

142525340 has 24 divisors (see below), whose sum is σ = 300031872. Its totient is φ = 56871360.

The previous prime is 142525337. The next prime is 142525387. The reversal of 142525340 is 43525241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44 + ... + 16883.

It is an arithmetic number, because the mean of its divisors is an integer number (12501328).

Almost surely, 2142525340 is an apocalyptic number.

142525340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142525340 is an abundant number, since it is smaller than the sum of its proper divisors (157506532).

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

142525340 is a wasteful number, since it uses less digits than its factorization.

142525340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17357 (or 17355 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 142525340 is about 11938.3977149365. The cubic root of 142525340 is about 522.3529221342.

Subtracting from 142525340 its reverse (43525241), we obtain a palindrome (99000099).

The spelling of 142525340 in words is "one hundred forty-two million, five hundred twenty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 421 842 1684 2105 4210 8420 16927 33854 67708 84635 169270 338540 7126267 14252534 28505068 35631335 71262670 142525340