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244102020 = 22354786561
BaseRepresentation
bin11101000110010…
…11001110000100
3122000022200000120
432203023032010
5444442231040
640115541540
76022555461
oct1643131604
9560280016
10244102020
11115875508
12698ba8b0
133b758c86
14245c2668
151666b7d0
hexe8cb384

244102020 has 48 divisors (see below), whose sum is σ = 698035968. Its totient is φ = 63708160.

The previous prime is 244102009. The next prime is 244102037. The reversal of 244102020 is 20201442.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40461 + ... + 46100.

It is an arithmetic number, because the mean of its divisors is an integer number (14542416).

Almost surely, 2244102020 is an apocalyptic number.

244102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244102020 is an abundant number, since it is smaller than the sum of its proper divisors (453933948).

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

244102020 is a wasteful number, since it uses less digits than its factorization.

244102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86620 (or 86618 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 244102020 is about 15623.7645911605. The cubic root of 244102020 is about 624.9670553301.

Adding to 244102020 its reverse (20201442), we get a palindrome (264303462).

The spelling of 244102020 in words is "two hundred forty-four million, one hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 564 705 940 1410 2820 86561 173122 259683 346244 432805 519366 865610 1038732 1298415 1731220 2596830 4068367 5193660 8136734 12205101 16273468 20341835 24410202 40683670 48820404 61025505 81367340 122051010 244102020