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4540880 = 245311831
BaseRepresentation
bin10001010100100111010000
322112200220202
4101110213100
52130302010
6241154332
753411501
oct21244720
98480822
104540880
1126216a3
12162b9a8
13c2cb16
14862ba8
155ea6a5
hex4549d0

4540880 has 40 divisors (see below), whose sum is σ = 10904064. Its totient is φ = 1756800.

The previous prime is 4540807. The next prime is 4540883. The reversal of 4540880 is 880454.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540883) 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, 1565 + ... + 3395.

Almost surely, 24540880 is an apocalyptic number.

4540880 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 4540880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5452032).

4540880 is an abundant number, since it is smaller than the sum of its proper divisors (6363184).

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

4540880 is a wasteful number, since it uses less digits than its factorization.

4540880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875 (or 1869 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 4540880 is about 2130.9340674925. The cubic root of 4540880 is about 165.5947924024.

The spelling of 4540880 in words is "four million, five hundred forty thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 496 620 1240 1831 2480 3662 7324 9155 14648 18310 29296 36620 56761 73240 113522 146480 227044 283805 454088 567610 908176 1135220 2270440 4540880