Base | Representation |
---|---|
bin | 100111001000… |
… | …0010011110000 |
3 | 1102121012221222 |
4 | 1032100103300 |
5 | 20222422112 |
6 | 2011404212 |
7 | 336236450 |
oct | 116202360 |
9 | 42535858 |
10 | 20514032 |
11 | 10641550 |
12 | 6a53668 |
13 | 43333a6 |
14 | 2a1dd60 |
15 | 1c03372 |
hex | 13904f0 |
20514032 has 40 divisors (see below), whose sum is σ = 49556352. Its totient is φ = 7992000.
The previous prime is 20514023. The next prime is 20514041. The reversal of 20514032 is 23041502.
It is an interprime number because it is at equal distance from previous prime (20514023) and next prime (20514041).
It is a self number, because there is not a number n which added to its sum of digits gives 20514032.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7094 + ... + 9557.
Almost surely, 220514032 is an apocalyptic number.
20514032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20514032 is an abundant number, since it is smaller than the sum of its proper divisors (29042320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20514032 is a wasteful number, since it uses less digits than its factorization.
20514032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16677 (or 16671 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 20514032 is about 4529.2418791670. The cubic root of 20514032 is about 273.7476142213.
Adding to 20514032 its reverse (23041502), we get a palindrome (43555534).
The spelling of 20514032 in words is "twenty million, five hundred fourteen thousand, thirty-two".
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