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40800075 = 352544001
BaseRepresentation
bin1001101110100…
…0111101001011
32211202212011220
42123220331023
540421100300
64014253123
71003536441
oct233507513
984685156
1040800075
1121037778
12117b71a3
1385b6a74
1455c0b91
1538adda0
hex26e8f4b

40800075 has 12 divisors (see below), whose sum is σ = 67456248. Its totient is φ = 21760000.

The previous prime is 40800073. The next prime is 40800101. The reversal of 40800075 is 57000804.

It is not a de Polignac number, because 40800075 - 21 = 40800073 is a prime.

It is a super-2 number, since 2×408000752 = 3329292240011250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40800073) 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, 271926 + ... + 272075.

It is an arithmetic number, because the mean of its divisors is an integer number (5621354).

Almost surely, 240800075 is an apocalyptic number.

40800075 is a deficient number, since it is larger than the sum of its proper divisors (26656173).

40800075 is a wasteful number, since it uses less digits than its factorization.

40800075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544014 (or 544009 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 40800075 is about 6387.4936399186. The cubic root of 40800075 is about 344.2603350888.

Adding to 40800075 its reverse (57000804), we get a palindrome (97800879).

The spelling of 40800075 in words is "forty million, eight hundred thousand, seventy-five".

Divisors: 1 3 5 15 25 75 544001 1632003 2720005 8160015 13600025 40800075