Search a number
-
+
4225247 = 13325019
BaseRepresentation
bin10000000111100011011111
321221122221122
4100013203133
52040201442
6230321155
750625335
oct20074337
97848848
104225247
112426544
1214b91bb
13b4c260
147bdb55
15586dd2
hex4078df

4225247 has 4 divisors (see below), whose sum is σ = 4550280. Its totient is φ = 3900216.

The previous prime is 4225237. The next prime is 4225283. The reversal of 4225247 is 7425224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4225247 - 28 = 4224991 is a prime.

It is a super-2 number, since 2×42252472 = 35705424422018, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4225237) 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, 162497 + ... + 162522.

It is an arithmetic number, because the mean of its divisors is an integer number (1137570).

Almost surely, 24225247 is an apocalyptic number.

4225247 is a deficient number, since it is larger than the sum of its proper divisors (325033).

4225247 is a wasteful number, since it uses less digits than its factorization.

4225247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325032.

The product of its digits is 4480, while the sum is 26.

The square root of 4225247 is about 2055.5405615069. The cubic root of 4225247 is about 161.6655065398.

The spelling of 4225247 in words is "four million, two hundred twenty-five thousand, two hundred forty-seven".

Divisors: 1 13 325019 4225247