Search a number
-
+
4220707 = 23183509
BaseRepresentation
bin10000000110011100100011
321221102201111
4100012130203
52040030312
6230244151
750606161
oct20063443
97842644
104220707
112423097
1214b6657
13b4a17a
147bc231
155858a7
hex406723

4220707 has 4 divisors (see below), whose sum is σ = 4404240. Its totient is φ = 4037176.

The previous prime is 4220693. The next prime is 4220719. The reversal of 4220707 is 7070224.

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 4220707 - 219 = 3696419 is a prime.

It is a Duffinian number.

4220707 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4220767) 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, 91732 + ... + 91777.

It is an arithmetic number, because the mean of its divisors is an integer number (1101060).

Almost surely, 24220707 is an apocalyptic number.

4220707 is a deficient number, since it is larger than the sum of its proper divisors (183533).

4220707 is a wasteful number, since it uses less digits than its factorization.

4220707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183532.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 4220707 is about 2054.4359323182. The cubic root of 4220707 is about 161.6075829489.

The spelling of 4220707 in words is "four million, two hundred twenty thousand, seven hundred seven".

Divisors: 1 23 183509 4220707