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40023875 = 531991609
BaseRepresentation
bin1001100010101…
…1011101000011
32210022102102202
42120223131003
540221231000
63545503415
7664124453
oct230533503
983272382
1040023875
1120657591
12114a1b6b
1383a4688
14545bd63
1537a8dd5
hex262b743

40023875 has 16 divisors (see below), whose sum is σ = 50232000. Its totient is φ = 31838400.

The previous prime is 40023871. The next prime is 40023901. The reversal of 40023875 is 57832004.

It is a happy number.

40023875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40023875 - 22 = 40023871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40023871) 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 15 ways as a sum of consecutive naturals, for example, 24071 + ... + 25679.

It is an arithmetic number, because the mean of its divisors is an integer number (3139500).

Almost surely, 240023875 is an apocalyptic number.

40023875 is a deficient number, since it is larger than the sum of its proper divisors (10208125).

40023875 is a wasteful number, since it uses less digits than its factorization.

40023875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823 (or 1813 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 40023875 is about 6326.4425232511. The cubic root of 40023875 is about 342.0632185950.

Adding to 40023875 its reverse (57832004), we get a palindrome (97855879).

The spelling of 40023875 in words is "forty million, twenty-three thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 199 995 1609 4975 8045 24875 40225 201125 320191 1600955 8004775 40023875