Base | Representation |
---|---|
bin | 100110110111… |
… | …1011111110000 |
3 | 1102100101121012 |
4 | 1031233133300 |
5 | 20204122012 |
6 | 2004450052 |
7 | 335136560 |
oct | 115573760 |
9 | 42311535 |
10 | 20379632 |
11 | 1055a579 |
12 | 69a9928 |
13 | 42b7170 |
14 | 29c6da0 |
15 | 1bc8622 |
hex | 136f7f0 |
20379632 has 40 divisors (see below), whose sum is σ = 48601056. Its totient is φ = 8061696.
The previous prime is 20379589. The next prime is 20379641. The reversal of 20379632 is 23697302.
It is a happy number.
It is a super-4 number, since 4×203796324 (a number of 30 digits) contains 4444 as substring.
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, 5543 + ... + 8454.
Almost surely, 220379632 is an apocalyptic number.
It is an amenable number.
20379632 is an abundant number, since it is smaller than the sum of its proper divisors (28221424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20379632 is a wasteful number, since it uses less digits than its factorization.
20379632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14025 (or 14019 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 32.
The square root of 20379632 is about 4514.3805776651. The cubic root of 20379632 is about 273.1484743843.
The spelling of 20379632 in words is "twenty million, three hundred seventy-nine thousand, six hundred thirty-two".
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