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4202497 = 13378737
BaseRepresentation
bin10000000010000000000001
321220111202001
4100002000001
52033434442
6230024001
750502115
oct20020001
97814661
104202497
112410442
1214a8001
13b41ab0
147b5745
155802b7
hex402001

4202497 has 8 divisors (see below), whose sum is σ = 4648616. Its totient is φ = 3773952.

The previous prime is 4202489. The next prime is 4202501. The reversal of 4202497 is 7942024.

It can be written as a sum of positive squares in 4 ways, for example, as 531441 + 3671056 = 729^2 + 1916^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4202497 - 23 = 4202489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4202447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3888 + ... + 4849.

It is an arithmetic number, because the mean of its divisors is an integer number (581077).

It is a Proth number, since it is equal to 513 ⋅ 213 + 1 and 513 < 213.

Almost surely, 24202497 is an apocalyptic number.

It is an amenable number.

4202497 is a deficient number, since it is larger than the sum of its proper divisors (446119).

4202497 is a wasteful number, since it uses less digits than its factorization.

4202497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8787.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 4202497 is about 2049.9992682926. Note that the first 3 decimals coincide. The cubic root of 4202497 is about 161.3748323263.

The spelling of 4202497 in words is "four million, two hundred two thousand, four hundred ninety-seven".

Divisors: 1 13 37 481 8737 113581 323269 4202497