Base | Representation |
---|---|
bin | 11000000101001… |
… | …10001110000100 |
3 | 112002010001002121 |
4 | 30002212032010 |
5 | 403203214203 |
6 | 32013415324 |
7 | 5002014640 |
oct | 1402461604 |
9 | 462101077 |
10 | 202007428 |
11 | a4034197 |
12 | 5779a544 |
13 | 32b0ac2c |
14 | 1cb85c20 |
15 | 12b040bd |
hex | c0a6384 |
202007428 has 12 divisors (see below), whose sum is σ = 404014912. Its totient is φ = 86574600.
The previous prime is 202007423. The next prime is 202007431. The reversal of 202007428 is 824700202.
202007428 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (202007423) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3607248 + ... + 3607303.
Almost surely, 2202007428 is an apocalyptic number.
202007428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
202007428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202007428 is a wasteful number, since it uses less digits than its factorization.
202007428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7214562 (or 7214560 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 25.
The square root of 202007428 is about 14212.9317172778. The cubic root of 202007428 is about 586.7536227569.
The spelling of 202007428 in words is "two hundred two million, seven thousand, four hundred twenty-eight".
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