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4502988880 = 245134329797
BaseRepresentation
bin1000011000110011…
…00010100001010000
3102121211011112110221
410030121202201100
533210231121010
62022454402424
7216405526315
oct41431424120
912554145427
104502988880
111a00902215
12a58060414
13569bb2080
1430a086d0c
151b54cddda
hex10c662850

4502988880 has 40 divisors (see below), whose sum is σ = 11274793992. Its totient is φ = 1662641664.

The previous prime is 4502988871. The next prime is 4502988881. The reversal of 4502988880 is 888892054.

It can be written as a sum of positive squares in 4 ways, for example, as 167029776 + 4335959104 = 12924^2 + 65848^2 .

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

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4502988881) 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 7 ways as a sum of consecutive naturals, for example, 2163859 + ... + 2165938.

Almost surely, 24502988880 is an apocalyptic number.

4502988880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4502988880 is an abundant number, since it is smaller than the sum of its proper divisors (6771805112).

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

4502988880 is a wasteful number, since it uses less digits than its factorization.

4502988880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329823 (or 4329817 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 52.

The square root of 4502988880 is about 67104.3134232070. The cubic root of 4502988880 is about 1651.3290644520.

The spelling of 4502988880 in words is "four billion, five hundred two million, nine hundred eighty-eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 4329797 8659594 17319188 21648985 34638376 43297970 56287361 69276752 86595940 112574722 173191880 225149444 281436805 346383760 450298888 562873610 900597776 1125747220 2251494440 4502988880