Search a number
-
+
40929 = 371949
BaseRepresentation
bin1001111111100001
32002010220
421333201
52302204
6513253
7230220
oct117741
962126
1040929
1128829
121b829
1315825
1410cb7
15c1d9
hex9fe1

40929 has 8 divisors (see below), whose sum is σ = 62400. Its totient is φ = 23376.

The previous prime is 40927. The next prime is 40933. The reversal of 40929 is 92904.

40929 is nontrivially palindromic in base 9.

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

It is not a de Polignac number, because 40929 - 21 = 40927 is a prime.

40929 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 40899 and 40908.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 40929.

It is not an unprimeable number, because it can be changed into a prime (40927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954 + ... + 995.

It is an arithmetic number, because the mean of its divisors is an integer number (7800).

240929 is an apocalyptic number.

It is an amenable number.

40929 is a deficient number, since it is larger than the sum of its proper divisors (21471).

40929 is a wasteful number, since it uses less digits than its factorization.

40929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 40929 is about 202.3091693424. The cubic root of 40929 is about 34.4622565598.

It can be divided in two parts, 40 and 929, that added together give a palindrome (969).

The spelling of 40929 in words is "forty thousand, nine hundred twenty-nine".

Divisors: 1 3 7 21 1949 5847 13643 40929