Base | Representation |
---|---|
bin | 1000110110010… |
… | …10110101011010 |
3 | 12011200022222010 |
4 | 10123022311122 |
5 | 123000344010 |
6 | 11211010350 |
7 | 1560645201 |
oct | 433126532 |
9 | 164608863 |
10 | 74231130 |
11 | 389a0a46 |
12 | 20a399b6 |
13 | 124c065c |
14 | 9c04238 |
15 | 67b4620 |
hex | 46cad5a |
74231130 has 32 divisors (see below), whose sum is σ = 178599168. Its totient is φ = 19745600.
The previous prime is 74231123. The next prime is 74231137. The reversal of 74231130 is 3113247.
It is an interprime number because it is at equal distance from previous prime (74231123) and next prime (74231137).
It is a super-2 number, since 2×742311302 = 11020521322153800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 74231097 and 74231106.
It is not an unprimeable number, because it can be changed into a prime (74231137) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10060 + ... + 15800.
It is an arithmetic number, because the mean of its divisors is an integer number (5581224).
Almost surely, 274231130 is an apocalyptic number.
74231130 is an abundant number, since it is smaller than the sum of its proper divisors (104368038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74231130 is a wasteful number, since it uses less digits than its factorization.
74231130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6182.
The product of its (nonzero) digits is 504, while the sum is 21.
The square root of 74231130 is about 8615.7489517743. The cubic root of 74231130 is about 420.2702908697.
Adding to 74231130 its reverse (3113247), we get a palindrome (77344377).
The spelling of 74231130 in words is "seventy-four million, two hundred thirty-one thousand, one hundred thirty".
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