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4420307 = 5478081
BaseRepresentation
bin10000110111001011010011
322022120112002
4100313023103
52112422212
6234424215
752400123
oct20671323
98276462
104420307
11254a051
12159206b
13bb9c88
14830c83
155c4ac2
hex4372d3

4420307 has 4 divisors (see below), whose sum is σ = 4428936. Its totient is φ = 4411680.

The previous prime is 4420249. The next prime is 4420309. The reversal of 4420307 is 7030244.

It is a happy number.

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 4420307 - 214 = 4403923 is a prime.

It is a super-2 number, since 2×44203072 = 39078227948498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4420309) 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, 3494 + ... + 4587.

It is an arithmetic number, because the mean of its divisors is an integer number (1107234).

Almost surely, 24420307 is an apocalyptic number.

4420307 is a deficient number, since it is larger than the sum of its proper divisors (8629).

4420307 is an equidigital number, since it uses as much as digits as its factorization.

4420307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8628.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 4420307 is about 2102.4526153995. The cubic root of 4420307 is about 164.1159575517.

The spelling of 4420307 in words is "four million, four hundred twenty thousand, three hundred seven".

Divisors: 1 547 8081 4420307