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148642 = 2135717
BaseRepresentation
bin100100010010100010
321112220021
4210102202
514224032
63104054
71156234
oct442242
9245807
10148642
11a174a
127202a
1352870
143c254
152e097
hex244a2

148642 has 8 divisors (see below), whose sum is σ = 240156. Its totient is φ = 68592.

The previous prime is 148639. The next prime is 148663. The reversal of 148642 is 246841.

It can be written as a sum of positive squares in 2 ways, for example, as 145161 + 3481 = 381^2 + 59^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2833 + ... + 2884.

2148642 is an apocalyptic number.

148642 is a deficient number, since it is larger than the sum of its proper divisors (91514).

148642 is a wasteful number, since it uses less digits than its factorization.

148642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5732.

The product of its digits is 1536, while the sum is 25.

The square root of 148642 is about 385.5411780861. The cubic root of 148642 is about 52.9720987592.

The spelling of 148642 in words is "one hundred forty-eight thousand, six hundred forty-two".

Divisors: 1 2 13 26 5717 11434 74321 148642