Base | Representation |
---|---|
bin | 1000101101010… |
… | …10001111000111 |
3 | 12002110021102200 |
4 | 10112222033013 |
5 | 122200032111 |
6 | 11125405543 |
7 | 1544622636 |
oct | 426521707 |
9 | 162407380 |
10 | 73049031 |
11 | 38263900 |
12 | 205698b3 |
13 | 121985a3 |
14 | 99b751d |
15 | 662e256 |
hex | 45aa3c7 |
73049031 has 18 divisors (see below), whose sum is σ = 115981320. Its totient is φ = 44271480.
The previous prime is 73049029. The next prime is 73049033. The reversal of 73049031 is 13094037.
It is an interprime number because it is at equal distance from previous prime (73049029) and next prime (73049033).
It is not a de Polignac number, because 73049031 - 21 = 73049029 is a prime.
It is a super-2 number, since 2×730490312 = 10672321860077922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 73048986 and 73049004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (73049033) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32451 + ... + 34628.
Almost surely, 273049031 is an apocalyptic number.
73049031 is a deficient number, since it is larger than the sum of its proper divisors (42932289).
73049031 is a wasteful number, since it uses less digits than its factorization.
73049031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67107 (or 67093 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 27.
The square root of 73049031 is about 8546.8725859229. The cubic root of 73049031 is about 418.0274681857.
The spelling of 73049031 in words is "seventy-three million, forty-nine thousand, thirty-one".
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