Search a number
-
+
147362728 = 2318420341
BaseRepresentation
bin10001100100010…
…01001110101000
3101021021210122211
420302021032220
5300211101403
622342254504
73436363642
oct1062111650
9337253584
10147362728
1176200887
1241427434
13246b76a6
14157dd892
15ce0d06d
hex8c893a8

147362728 has 8 divisors (see below), whose sum is σ = 276305130. Its totient is φ = 73681360.

The previous prime is 147362723. The next prime is 147362741. The reversal of 147362728 is 827263741.

It can be written as a sum of positive squares in only one way, i.e., 147331044 + 31684 = 12138^2 + 178^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (147362723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9210163 + ... + 9210178.

Almost surely, 2147362728 is an apocalyptic number.

It is an amenable number.

147362728 is a deficient number, since it is larger than the sum of its proper divisors (128942402).

147362728 is a wasteful number, since it uses less digits than its factorization.

147362728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18420347 (or 18420343 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 147362728 is about 12139.3050871951. The cubic root of 147362728 is about 528.1969440544.

The spelling of 147362728 in words is "one hundred forty-seven million, three hundred sixty-two thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 18420341 36840682 73681364 147362728