Base | Representation |
---|---|
bin | 1000110111011… |
… | …11001101111000 |
3 | 12011221220101110 |
4 | 10123233031320 |
5 | 123020131102 |
6 | 11214120320 |
7 | 1562135520 |
oct | 433571570 |
9 | 164856343 |
10 | 74380152 |
11 | 38a92a00 |
12 | 20ab00a0 |
13 | 12543432 |
14 | 9c42680 |
15 | 67e386c |
hex | 46ef378 |
74380152 has 96 divisors (see below), whose sum is σ = 233654400. Its totient is φ = 19314240.
The previous prime is 74380093. The next prime is 74380171. The reversal of 74380152 is 25108347.
It is a super-3 number, since 3×743801523 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18499 + ... + 22157.
It is an arithmetic number, because the mean of its divisors is an integer number (2433900).
Almost surely, 274380152 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 74380152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116827200).
74380152 is an abundant number, since it is smaller than the sum of its proper divisors (159274248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74380152 is a wasteful number, since it uses less digits than its factorization.
74380152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3697 (or 3682 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 74380152 is about 8624.3928481952. The cubic root of 74380152 is about 420.5513394250.
Adding to 74380152 its reverse (25108347), we get a palindrome (99488499).
The spelling of 74380152 in words is "seventy-four million, three hundred eighty thousand, one hundred fifty-two".
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