Search a number
-
+
142608512 = 271765537
BaseRepresentation
bin10001000000000…
…00100010000000
3100221100021002202
420200000202000
5243001433022
622052332332
73351103154
oct1040004200
9327307082
10142608512
1173553982
123b9140a8
1323711747
1414d23064
15c7be592
hex8800880

142608512 has 32 divisors (see below), whose sum is σ = 300819420. Its totient is φ = 67108864.

The previous prime is 142608469. The next prime is 142608523. The reversal of 142608512 is 215806241.

It can be written as a sum of positive squares in 2 ways, for example, as 105349696 + 37258816 = 10264^2 + 6104^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

In principle, a polygon with 142608512 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30593 + ... + 34944.

Almost surely, 2142608512 is an apocalyptic number.

It is an amenable number.

142608512 is an abundant number, since it is smaller than the sum of its proper divisors (158210908).

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

142608512 is an equidigital number, since it uses as much as digits as its factorization.

142608512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65568 (or 65556 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 142608512 is about 11941.8805889190. The cubic root of 142608512 is about 522.4545103594.

The spelling of 142608512 in words is "one hundred forty-two million, six hundred eight thousand, five hundred twelve".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 272 544 1088 2176 65537 131074 262148 524296 1048592 1114129 2097184 2228258 4194368 4456516 8388736 8913032 17826064 35652128 71304256 142608512