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4744445 = 51755817
BaseRepresentation
bin10010000110010011111101
322221001011012
4102012103331
52203310240
6245405005
755220126
oct22062375
98831135
104744445
112750632
121709765
13ca1684
148b704d
1563ab65
hex4864fd

4744445 has 8 divisors (see below), whose sum is σ = 6028344. Its totient is φ = 3572224.

The previous prime is 4744423. The next prime is 4744459. The reversal of 4744445 is 5444474.

It can be written as a sum of positive squares in 4 ways, for example, as 2515396 + 2229049 = 1586^2 + 1493^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4744445 - 212 = 4740349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27824 + ... + 27993.

It is an arithmetic number, because the mean of its divisors is an integer number (753543).

Almost surely, 24744445 is an apocalyptic number.

It is an amenable number.

4744445 is a deficient number, since it is larger than the sum of its proper divisors (1283899).

4744445 is a wasteful number, since it uses less digits than its factorization.

4744445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55839.

The product of its digits is 35840, while the sum is 32.

The square root of 4744445 is about 2178.1746945551. The cubic root of 4744445 is about 168.0332157491.

The spelling of 4744445 in words is "four million, seven hundred forty-four thousand, four hundred forty-five".

Divisors: 1 5 17 85 55817 279085 948889 4744445