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40706 = 220353
BaseRepresentation
bin1001111100000010
32001211122
421330002
52300311
6512242
7226451
oct117402
961748
1040706
1128646
121b682
13156b3
1410b98
15c0db
hex9f02

40706 has 4 divisors (see below), whose sum is σ = 61062. Its totient is φ = 20352.

The previous prime is 40699. The next prime is 40709. The reversal of 40706 is 60704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36481 + 4225 = 191^2 + 65^2 .

It is not an unprimeable number, because it can be changed into a prime (40709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10175 + ... + 10178.

240706 is an apocalyptic number.

40706 is a deficient number, since it is larger than the sum of its proper divisors (20356).

40706 is a wasteful number, since it uses less digits than its factorization.

40706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20355.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 40706 is about 201.7572799182. The cubic root of 40706 is about 34.3995538071.

The spelling of 40706 in words is "forty thousand, seven hundred six".

Divisors: 1 2 20353 40706