Base | Representation |
---|---|
bin | 1000000110010101… |
… | …0110100010111100 |
3 | 12121111212022102110 |
4 | 2001211112202330 |
5 | 13423024140130 |
6 | 555421254020 |
7 | 104606066412 |
oct | 20145264274 |
9 | 5544768373 |
10 | 2174052540 |
11 | a16217940 |
12 | 508104310 |
13 | 28854812a |
14 | 168a452b2 |
15 | cace3ab0 |
hex | 819568bc |
2174052540 has 96 divisors (see below), whose sum is σ = 6677798400. Its totient is φ = 524102400.
The previous prime is 2174052521. The next prime is 2174052547. The reversal of 2174052540 is 452504712.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 2174052498 and 2174052507.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2174052547) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110361 + ... + 128559.
It is an arithmetic number, because the mean of its divisors is an integer number (69560400).
Almost surely, 22174052540 is an apocalyptic number.
2174052540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2174052540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3338899200).
2174052540 is an abundant number, since it is smaller than the sum of its proper divisors (4503745860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2174052540 is a wasteful number, since it uses less digits than its factorization.
2174052540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18403 (or 18401 counting only the distinct ones).
The product of its (nonzero) digits is 11200, while the sum is 30.
The square root of 2174052540 is about 46626.7363215570. The cubic root of 2174052540 is about 1295.4580233623.
The spelling of 2174052540 in words is "two billion, one hundred seventy-four million, fifty-two thousand, five hundred forty".
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