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40975 = 5211149
BaseRepresentation
bin1010000000001111
32002012121
422000033
52302400
6513411
7230314
oct120017
962177
1040975
1128870
121b867
131585c
1410d0b
15c21a
hexa00f

40975 has 12 divisors (see below), whose sum is σ = 55800. Its totient is φ = 29600.

The previous prime is 40973. The next prime is 40993. The reversal of 40975 is 57904.

It is not a de Polignac number, because 40975 - 21 = 40973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201 + ... + 349.

It is an arithmetic number, because the mean of its divisors is an integer number (4650).

240975 is an apocalyptic number.

40975 is a deficient number, since it is larger than the sum of its proper divisors (14825).

40975 is a wasteful number, since it uses less digits than its factorization.

40975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 40975 is about 202.4228248000. The cubic root of 40975 is about 34.4751624072.

It can be divided in two parts, 409 and 75, that added together give a palindrome (484).

The spelling of 40975 in words is "forty thousand, nine hundred seventy-five".

Divisors: 1 5 11 25 55 149 275 745 1639 3725 8195 40975