Base | Representation |
---|---|
bin | 1000110101101… |
… | …01010010111100 |
3 | 12011111211221122 |
4 | 10122311102330 |
5 | 122440033113 |
6 | 11205050112 |
7 | 1560130040 |
oct | 432652274 |
9 | 164454848 |
10 | 74142908 |
11 | 38940734 |
12 | 209b6938 |
13 | 1248c458 |
14 | 9bc0020 |
15 | 6798408 |
hex | 46b54bc |
74142908 has 24 divisors (see below), whose sum is σ = 153400800. Its totient is φ = 30679488.
The previous prime is 74142907. The next prime is 74142911. The reversal of 74142908 is 80924147.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74142907) 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, 44843 + ... + 46466.
It is an arithmetic number, because the mean of its divisors is an integer number (6391700).
Almost surely, 274142908 is an apocalyptic number.
It is an amenable number.
74142908 is an abundant number, since it is smaller than the sum of its proper divisors (79257892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74142908 is a wasteful number, since it uses less digits than its factorization.
74142908 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91349 (or 91347 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 35.
The square root of 74142908 is about 8610.6276194015. The cubic root of 74142908 is about 420.1037309923.
The spelling of 74142908 in words is "seventy-four million, one hundred forty-two thousand, nine hundred eight".
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