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40980829 = 173536829
BaseRepresentation
bin1001110001010…
…1000101011101
32212010001010111
42130111011131
540442341304
64022210021
71005221431
oct234250535
985101114
1040980829
112115055a
1211883911
13864b116
14562a9c1
1538e7704
hex271515d

40980829 has 8 divisors (see below), whose sum is σ = 43520760. Its totient is φ = 38455296.

The previous prime is 40980827. The next prime is 40980833. The reversal of 40980829 is 92808904.

It is a happy number.

40980829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9922500 + 31058329 = 3150^2 + 5573^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40980829 - 21 = 40980827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40980791 and 40980800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40980827) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2587 + ... + 9415.

It is an arithmetic number, because the mean of its divisors is an integer number (5440095).

Almost surely, 240980829 is an apocalyptic number.

It is an amenable number.

40980829 is a deficient number, since it is larger than the sum of its proper divisors (2539931).

40980829 is a wasteful number, since it uses less digits than its factorization.

40980829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7199.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 40980829 is about 6401.6270588031. The cubic root of 40980829 is about 344.7679711287.

The spelling of 40980829 in words is "forty million, nine hundred eighty thousand, eight hundred twenty-nine".

Divisors: 1 17 353 6001 6829 116093 2410637 40980829