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142890062 = 2710993637
BaseRepresentation
bin10001000010001…
…01010001001110
3100221212120022112
420201011101032
5243034440222
622102344022
73353355050
oct1041052116
9327776275
10142890062
1173726467
123ba2b012
13237ac943
1414d978d0
15c827be2
hex884544e

142890062 has 16 divisors (see below), whose sum is σ = 247204320. Its totient is φ = 60676128.

The previous prime is 142890037. The next prime is 142890071. The reversal of 142890062 is 260098241.

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, 45293 + ... + 48344.

It is an arithmetic number, because the mean of its divisors is an integer number (15450270).

Almost surely, 2142890062 is an apocalyptic number.

142890062 is a deficient number, since it is larger than the sum of its proper divisors (104314258).

142890062 is a wasteful number, since it uses less digits than its factorization.

142890062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93755.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 142890062 is about 11953.6631205668. The cubic root of 142890062 is about 522.7981092267.

The spelling of 142890062 in words is "one hundred forty-two million, eight hundred ninety thousand, sixty-two".

Divisors: 1 2 7 14 109 218 763 1526 93637 187274 655459 1310918 10206433 20412866 71445031 142890062