Base | Representation |
---|---|
bin | 101000101010111… |
… | …1111101101011000 |
3 | 10112002221222112200 |
4 | 1101111333231120 |
5 | 10243332023342 |
6 | 343230410200 |
7 | 45550634613 |
oct | 12125775530 |
9 | 3462858480 |
10 | 1364720472 |
11 | 640392765 |
12 | 321060960 |
13 | 18997870b |
14 | cd36b17a |
15 | 7ec2694c |
hex | 5157fb58 |
1364720472 has 24 divisors (see below), whose sum is σ = 3696118140. Its totient is φ = 454906800.
The previous prime is 1364720449. The next prime is 1364720477. The reversal of 1364720472 is 2740274631.
1364720472 is a `hidden beast` number, since 1 + 3 + 647 + 2 + 0 + 4 + 7 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1364720477) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9477154 + ... + 9477297.
Almost surely, 21364720472 is an apocalyptic number.
1364720472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1364720472 is an abundant number, since it is smaller than the sum of its proper divisors (2331397668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1364720472 is a wasteful number, since it uses less digits than its factorization.
1364720472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18954463 (or 18954456 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 36.
The square root of 1364720472 is about 36942.1232741162. The cubic root of 1364720472 is about 1109.2120241519.
The spelling of 1364720472 in words is "one billion, three hundred sixty-four million, seven hundred twenty thousand, four hundred seventy-two".
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