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4545880 = 235113647
BaseRepresentation
bin10001010101110101011000
322112221202221
4101111311120
52130432010
6241233424
753432203
oct21256530
98487687
104545880
112625429
121632874
13c32191
1486493a
155ebdda
hex455d58

4545880 has 16 divisors (see below), whose sum is σ = 10228320. Its totient is φ = 1818336.

The previous prime is 4545869. The next prime is 4545889. The reversal of 4545880 is 885454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56784 + ... + 56863.

It is an arithmetic number, because the mean of its divisors is an integer number (639270).

Almost surely, 24545880 is an apocalyptic number.

4545880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4545880 is an abundant number, since it is smaller than the sum of its proper divisors (5682440).

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

4545880 is a wasteful number, since it uses less digits than its factorization.

4545880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113658 (or 113654 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 4545880 is about 2132.1069391567. The cubic root of 4545880 is about 165.6555493666.

The spelling of 4545880 in words is "four million, five hundred forty-five thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 113647 227294 454588 568235 909176 1136470 2272940 4545880