Search a number
-
+
220550701 = 731507243
BaseRepresentation
bin11010010010101…
…01011000101101
3120101000010200111
431021111120231
5422430110301
633515100021
75315435650
oct1511253055
9511003614
10220550701
1110354a008
1261a41611
1336901297
1421411897
1514568551
hexd25562d

220550701 has 4 divisors (see below), whose sum is σ = 252057952. Its totient is φ = 189043452.

The previous prime is 220550641. The next prime is 220550719. The reversal of 220550701 is 107055022.

220550701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220550701 - 219 = 220026413 is a prime.

It is a super-2 number, since 2×2205507012 = 97285223423182802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220550761) 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, 15753615 + ... + 15753628.

It is an arithmetic number, because the mean of its divisors is an integer number (63014488).

Almost surely, 2220550701 is an apocalyptic number.

It is an amenable number.

220550701 is a deficient number, since it is larger than the sum of its proper divisors (31507251).

220550701 is an equidigital number, since it uses as much as digits as its factorization.

220550701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31507250.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 220550701 is about 14850.9494982644. The cubic root of 220550701 is about 604.1843627149.

The spelling of 220550701 in words is "two hundred twenty million, five hundred fifty thousand, seven hundred one".

Divisors: 1 7 31507243 220550701