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4528480 = 255113183
BaseRepresentation
bin10001010001100101100000
322112001220111
4101101211200
52124402410
6241021104
753330365
oct21214540
98461814
104528480
112613350
121624794
13c27298
1485c46c
155e6b8a
hex451960

4528480 has 96 divisors (see below), whose sum is σ = 12192768. Its totient is φ = 1574400.

The previous prime is 4528429. The next prime is 4528487. The reversal of 4528480 is 848254.

4528480 = T114 + T115 + ... + T305.

It is a super-2 number, since 2×45284802 = 41014262220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4528487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54519 + ... + 54601.

It is an arithmetic number, because the mean of its divisors is an integer number (127008).

Almost surely, 24528480 is an apocalyptic number.

4528480 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 4528480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6096384).

4528480 is an abundant number, since it is smaller than the sum of its proper divisors (7664288).

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

4528480 is a wasteful number, since it uses less digits than its factorization.

4528480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 4528480 is about 2128.0225562714. The cubic root of 4528480 is about 165.4439224278.

The spelling of 4528480 in words is "four million, five hundred twenty-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 31 32 40 44 55 62 80 83 88 110 124 155 160 166 176 220 248 310 332 341 352 415 440 496 620 664 682 830 880 913 992 1240 1328 1364 1660 1705 1760 1826 2480 2573 2656 2728 3320 3410 3652 4565 4960 5146 5456 6640 6820 7304 9130 10292 10912 12865 13280 13640 14608 18260 20584 25730 27280 28303 29216 36520 41168 51460 54560 56606 73040 82336 102920 113212 141515 146080 205840 226424 283030 411680 452848 566060 905696 1132120 2264240 4528480