Base | Representation |
---|---|
bin | 111010110110000… |
… | …0111001011101110 |
3 | 12002121100220002200 |
4 | 1311230013023232 |
5 | 13020432414110 |
6 | 523532202330 |
7 | 66633646011 |
oct | 16554071356 |
9 | 5077326080 |
10 | 1974498030 |
11 | 92360965a |
12 | 4713093a6 |
13 | 2560b883b |
14 | 14a33b378 |
15 | b85266c0 |
hex | 75b072ee |
1974498030 has 24 divisors (see below), whose sum is σ = 5133695112. Its totient is φ = 526532784.
The previous prime is 1974498017. The next prime is 1974498047. The reversal of 1974498030 is 308944791.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10969344 + ... + 10969523.
It is an arithmetic number, because the mean of its divisors is an integer number (213903963).
Almost surely, 21974498030 is an apocalyptic number.
1974498030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1974498030 is an abundant number, since it is smaller than the sum of its proper divisors (3159197082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1974498030 is a wasteful number, since it uses less digits than its factorization.
1974498030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21938880 (or 21938877 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 1974498030 is about 44435.3241239445. The cubic root of 1974498030 is about 1254.5430482998.
The spelling of 1974498030 in words is "one billion, nine hundred seventy-four million, four hundred ninety-eight thousand, thirty".
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