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74112040 = 2352836547
BaseRepresentation
bin1000110101011…
…01110000101000
312011110021121101
410122231300220
5122433041130
611204251144
71556641042
oct432556050
9164407541
1074112040
113891a522
12209a0ab4
131247b3a2
149bb2a92
15678e1ca
hex46adc28

74112040 has 32 divisors (see below), whose sum is σ = 167366880. Its totient is φ = 29535552.

The previous prime is 74112037. The next prime is 74112047. The reversal of 74112040 is 4021147.

It is a junction number, because it is equal to n+sod(n) for n = 74111999 and 74112017.

It is not an unprimeable number, because it can be changed into a prime (74112047) 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, 8047 + ... + 14593.

It is an arithmetic number, because the mean of its divisors is an integer number (5230215).

Almost surely, 274112040 is an apocalyptic number.

It is an amenable number.

74112040 is an abundant number, since it is smaller than the sum of its proper divisors (93254840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74112040 is a wasteful number, since it uses less digits than its factorization.

74112040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6841 (or 6837 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 74112040 is about 8608.8349966764. The cubic root of 74112040 is about 420.0454221472.

Adding to 74112040 its reverse (4021147), we get a palindrome (78133187).

The spelling of 74112040 in words is "seventy-four million, one hundred twelve thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 283 566 1132 1415 2264 2830 5660 6547 11320 13094 26188 32735 52376 65470 130940 261880 1852801 3705602 7411204 9264005 14822408 18528010 37056020 74112040