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4423120 = 245134253
BaseRepresentation
bin10000110111110111010000
322022201101021
4100313313100
52113014440
6234445224
752411252
oct20676720
98281337
104423120
112551179
121593814
13bbb340
14831cd2
155c584a
hex437dd0

4423120 has 40 divisors (see below), whose sum is σ = 11077416. Its totient is φ = 1632768.

The previous prime is 4423117. The next prime is 4423127. The reversal of 4423120 is 213244.

It can be written as a sum of positive squares in 4 ways, for example, as 46656 + 4376464 = 216^2 + 2092^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 4423094 and 4423103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087 + ... + 3166.

Almost surely, 24423120 is an apocalyptic number.

4423120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4423120 is an abundant number, since it is smaller than the sum of its proper divisors (6654296).

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

4423120 is a wasteful number, since it uses less digits than its factorization.

4423120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279 (or 4273 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4423120 is about 2103.1214895959. The cubic root of 4423120 is about 164.1507636027.

Adding to 4423120 its reverse (213244), we get a palindrome (4636364).

The spelling of 4423120 in words is "four million, four hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 4253 8506 17012 21265 34024 42530 55289 68048 85060 110578 170120 221156 276445 340240 442312 552890 884624 1105780 2211560 4423120