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4480245 = 335711431
BaseRepresentation
bin10001000101110011110101
322102121202000
4101011303311
52121331440
6240005513
753036640
oct21056365
98377660
104480245
112590090
121600899
13c0b343
14848a57
155d7730
hex445cf5

4480245 has 64 divisors (see below), whose sum is σ = 9953280. Its totient is φ = 1857600.

The previous prime is 4480243. The next prime is 4480247. The reversal of 4480245 is 5420844.

It is an interprime number because it is at equal distance from previous prime (4480243) and next prime (4480247).

It is not a de Polignac number, because 4480245 - 21 = 4480243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4480241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10180 + ... + 10610.

It is an arithmetic number, because the mean of its divisors is an integer number (155520).

Almost surely, 24480245 is an apocalyptic number.

4480245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4480245 is an abundant number, since it is smaller than the sum of its proper divisors (5473035).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4480245 is a wasteful number, since it uses less digits than its factorization.

4480245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 4480245 is about 2116.6589238704. The cubic root of 4480245 is about 164.8544170414.

It can be divided in two parts, 4 and 480245, that added together give a square (480249 = 6932).

The spelling of 4480245 in words is "four million, four hundred eighty thousand, two hundred forty-five".

Divisors: 1 3 5 7 9 11 15 21 27 33 35 45 55 63 77 99 105 135 165 189 231 297 315 385 431 495 693 945 1155 1293 1485 2079 2155 3017 3465 3879 4741 6465 9051 10395 11637 14223 15085 19395 23705 27153 33187 42669 45255 58185 71115 81459 99561 128007 135765 165935 213345 298683 407295 497805 640035 896049 1493415 4480245