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142552526 = 2216132983
BaseRepresentation
bin10000111111100…
…10110111001110
3100221020102022012
420133302313032
5242443140101
622051221222
73350451014
oct1037626716
9327212265
10142552526
1173515906
123b8a7812
13236c210c
1414d0a8b4
15c7acbbb
hex87f2dce

142552526 has 8 divisors (see below), whose sum is σ = 213934224. Its totient is φ = 71241120.

The previous prime is 142552499. The next prime is 142552559. The reversal of 142552526 is 625255241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142552492 and 142552501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12170 + ... + 20813.

It is an arithmetic number, because the mean of its divisors is an integer number (26741778).

Almost surely, 2142552526 is an apocalyptic number.

142552526 is a deficient number, since it is larger than the sum of its proper divisors (71381698).

142552526 is a wasteful number, since it uses less digits than its factorization.

142552526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35146.

The product of its digits is 24000, while the sum is 32.

The square root of 142552526 is about 11939.5362556508. The cubic root of 142552526 is about 522.3861320970.

The spelling of 142552526 in words is "one hundred forty-two million, five hundred fifty-two thousand, five hundred twenty-six".

Divisors: 1 2 2161 4322 32983 65966 71276263 142552526