Base | Representation |
---|---|
bin | 1000110100100… |
… | …10011100011010 |
3 | 12011020121010110 |
4 | 10122102130122 |
5 | 122421001104 |
6 | 11202025150 |
7 | 1555663614 |
oct | 432223432 |
9 | 164217113 |
10 | 74000154 |
11 | 38853458 |
12 | 209481b6 |
13 | 1243c497 |
14 | 9b83db4 |
15 | 676ae89 |
hex | 469271a |
74000154 has 16 divisors (see below), whose sum is σ = 154435392. Its totient is φ = 23594208.
The previous prime is 74000153. The next prime is 74000161. The reversal of 74000154 is 45100047.
74000154 is a modest number, since divided by 154 gives 74 as remainder.
It is a self number, because there is not a number n which added to its sum of digits gives 74000154.
It is not an unprimeable number, because it can be changed into a prime (74000153) 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, 267979 + ... + 268254.
It is an arithmetic number, because the mean of its divisors is an integer number (9652212).
Almost surely, 274000154 is an apocalyptic number.
74000154 is an abundant number, since it is smaller than the sum of its proper divisors (80435238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74000154 is a wasteful number, since it uses less digits than its factorization.
74000154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 536261.
The product of its (nonzero) digits is 560, while the sum is 21.
The square root of 74000154 is about 8602.3342181062. The cubic root of 74000154 is about 419.8339366166.
The spelling of 74000154 in words is "seventy-four million, one hundred fifty-four", and thus it is an aban number.
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