Base | Representation |
---|---|
bin | 1000100111111… |
… | …10110101011110 |
3 | 12001010121101120 |
4 | 10103332311132 |
5 | 122010100344 |
6 | 11102351410 |
7 | 1535640060 |
oct | 423766536 |
9 | 161117346 |
10 | 72346974 |
11 | 37924397 |
12 | 2028b566 |
13 | 11cb0b7b |
14 | 9873730 |
15 | 6541219 |
hex | 44fed5e |
72346974 has 32 divisors (see below), whose sum is σ = 165957120. Its totient is φ = 20596512.
The previous prime is 72346957. The next prime is 72346979. The reversal of 72346974 is 47964327.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72346979) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9367 + ... + 15245.
It is an arithmetic number, because the mean of its divisors is an integer number (5186160).
Almost surely, 272346974 is an apocalyptic number.
72346974 is an abundant number, since it is smaller than the sum of its proper divisors (93610146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72346974 is a wasteful number, since it uses less digits than its factorization.
72346974 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6184.
The product of its digits is 254016, while the sum is 42.
The square root of 72346974 is about 8505.7024401280. The cubic root of 72346974 is about 416.6839671394.
The spelling of 72346974 in words is "seventy-two million, three hundred forty-six thousand, nine hundred seventy-four".
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