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4552240 = 245711739
BaseRepresentation
bin10001010111011000110000
322120021111111
4101113120300
52131132430
6241323104
753456560
oct21273060
98507444
104552240
11262a190
121636494
13c35044
14866da0
155edc2a
hex457630

4552240 has 80 divisors (see below), whose sum is σ = 13213440. Its totient is φ = 1416960.

The previous prime is 4552237. The next prime is 4552259. The reversal of 4552240 is 422554.

4552240 = 1542 + 1552 + ... + 2582.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5791 + ... + 6529.

It is an arithmetic number, because the mean of its divisors is an integer number (165168).

Almost surely, 24552240 is an apocalyptic number.

4552240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4552240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6606720).

4552240 is an abundant number, since it is smaller than the sum of its proper divisors (8661200).

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

4552240 is a wasteful number, since it uses less digits than its factorization.

4552240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 4552240 is about 2133.5979002614. The cubic root of 4552240 is about 165.7327678837.

Adding to 4552240 its reverse (422554), we get a palindrome (4974794).

The spelling of 4552240 in words is "four million, five hundred fifty-two thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 11 14 16 20 22 28 35 40 44 55 56 70 77 80 88 110 112 140 154 176 220 280 308 385 440 560 616 739 770 880 1232 1478 1540 2956 3080 3695 5173 5912 6160 7390 8129 10346 11824 14780 16258 20692 25865 29560 32516 40645 41384 51730 56903 59120 65032 81290 82768 103460 113806 130064 162580 206920 227612 284515 325160 413840 455224 569030 650320 910448 1138060 2276120 4552240