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40804799 = 7219411069
BaseRepresentation
bin1001101110101…
…0000110111111
32211210002122212
42123222012333
540421223144
64014331035
71003556300
oct233520677
984702585
1040804799
1121040282
12117b9a7b
1385b8c69
1455c27a7
1538b049e
hex26ea1bf

40804799 has 24 divisors (see below), whose sum is σ = 51231600. Its totient is φ = 32296320.

The previous prime is 40804787. The next prime is 40804801. The reversal of 40804799 is 99740804.

It is not a de Polignac number, because 40804799 - 212 = 40800703 is a prime.

It is a super-3 number, since 3×408047993 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40804739) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37637 + ... + 38705.

It is an arithmetic number, because the mean of its divisors is an integer number (2134650).

Almost surely, 240804799 is an apocalyptic number.

40804799 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

40804799 is a deficient number, since it is larger than the sum of its proper divisors (10426801).

40804799 is a wasteful number, since it uses less digits than its factorization.

40804799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 40804799 is about 6387.8634143194. The cubic root of 40804799 is about 344.2736212005.

The spelling of 40804799 in words is "forty million, eight hundred four thousand, seven hundred ninety-nine".

Divisors: 1 7 19 41 49 133 287 779 931 1069 2009 5453 7483 20311 38171 43829 52381 142177 306803 832751 995239 2147621 5829257 40804799