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40294829 = 214318803
BaseRepresentation
bin1001100110110…
…1100110101101
32210211012010002
42121231212231
540303413304
63555354045
7666333431
oct231554655
983735102
1040294829
1120822113
12115b2925
13846aac3
1454cc9c1
15380e31e
hex266d9ad

40294829 has 4 divisors (see below), whose sum is σ = 40315776. Its totient is φ = 40273884.

The previous prime is 40294799. The next prime is 40294847. The reversal of 40294829 is 92849204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40294829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40294792 and 40294801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40294129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7259 + ... + 11544.

It is an arithmetic number, because the mean of its divisors is an integer number (10078944).

Almost surely, 240294829 is an apocalyptic number.

It is an amenable number.

40294829 is a deficient number, since it is larger than the sum of its proper divisors (20947).

40294829 is a wasteful number, since it uses less digits than its factorization.

40294829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20946.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 40294829 is about 6347.8208071747. The cubic root of 40294829 is about 342.8333841589.

The spelling of 40294829 in words is "forty million, two hundred ninety-four thousand, eight hundred twenty-nine".

Divisors: 1 2143 18803 40294829