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40124030 = 2510933671
BaseRepresentation
bin1001100100001…
…1111001111110
32210111111211012
42121003321332
540232432110
63551555222
7665022452
oct231037176
983444735
1040124030
1120715861
121152bb12
13840b13b
145486662
1537c8905
hex2643e7e

40124030 has 16 divisors (see below), whose sum is σ = 72309024. Its totient is φ = 16030560.

The previous prime is 40124011. The next prime is 40124033. The reversal of 40124030 is 3042104.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40123996 and 40124014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40124033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9095 + ... + 12765.

It is an arithmetic number, because the mean of its divisors is an integer number (4519314).

Almost surely, 240124030 is an apocalyptic number.

40124030 is a deficient number, since it is larger than the sum of its proper divisors (32184994).

40124030 is a wasteful number, since it uses less digits than its factorization.

40124030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40124030 is about 6334.3531635045. The cubic root of 40124030 is about 342.3483051396.

Adding to 40124030 its reverse (3042104), we get a palindrome (43166134).

The spelling of 40124030 in words is "forty million, one hundred twenty-four thousand, thirty".

Divisors: 1 2 5 10 1093 2186 3671 5465 7342 10930 18355 36710 4012403 8024806 20062015 40124030