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40958 = 220479
BaseRepresentation
bin1001111111111110
32002011222
421333332
52302313
6513342
7230261
oct117776
962158
1040958
1128855
121b852
1315848
1410cd8
15c208
hex9ffe

40958 has 4 divisors (see below), whose sum is σ = 61440. Its totient is φ = 20478.

The previous prime is 40949. The next prime is 40961. The reversal of 40958 is 85904.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10238 + ... + 10241.

It is an arithmetic number, because the mean of its divisors is an integer number (15360).

240958 is an apocalyptic number.

40958 is a deficient number, since it is larger than the sum of its proper divisors (20482).

40958 is a wasteful number, since it uses less digits than its factorization.

40958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20481.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 40958 is about 202.3808291316. The cubic root of 40958 is about 34.4703939807.

The spelling of 40958 in words is "forty thousand, nine hundred fifty-eight".

Divisors: 1 2 20479 40958