Base | Representation |
---|---|
bin | 1000110100110… |
… | …10101110011000 |
3 | 12011022022122200 |
4 | 10122122232120 |
5 | 122423042242 |
6 | 11202450200 |
7 | 1556164530 |
oct | 432325630 |
9 | 164268580 |
10 | 74034072 |
11 | 38876992 |
12 | 20963960 |
13 | 12451a58 |
14 | 9b924c0 |
15 | 677604c |
hex | 469ab98 |
74034072 has 48 divisors (see below), whose sum is σ = 229154640. Its totient is φ = 21152448.
The previous prime is 74034061. The next prime is 74034073. The reversal of 74034072 is 27043047.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74034073) 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 11 ways as a sum of consecutive naturals, for example, 72943 + ... + 73950.
It is an arithmetic number, because the mean of its divisors is an integer number (4774055).
Almost surely, 274034072 is an apocalyptic number.
74034072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
74034072 is an abundant number, since it is smaller than the sum of its proper divisors (155120568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74034072 is a wasteful number, since it uses less digits than its factorization.
74034072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146912 (or 146905 counting only the distinct ones).
The product of its (nonzero) digits is 4704, while the sum is 27.
The square root of 74034072 is about 8604.3054339092. The cubic root of 74034072 is about 419.8980705029.
Subtracting from 74034072 its reverse (27043047), we obtain a square (46991025 = 68552).
The spelling of 74034072 in words is "seventy-four million, thirty-four thousand, seventy-two".
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