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1445504500 = 225311262819
BaseRepresentation
bin101011000101000…
…1010010111110100
310201201222020101201
41112022022113310
510430022121000
6355234102244
750551404556
oct12612122764
93651866351
101445504500
11681a49a20
1234411a984
131a062190b
14d9d994d6
1586d8296a
hex5628a5f4

1445504500 has 48 divisors (see below), whose sum is σ = 3443993280. Its totient is φ = 525636000.

The previous prime is 1445504497. The next prime is 1445504513. The reversal of 1445504500 is 54055441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125910 + ... + 136909.

It is an arithmetic number, because the mean of its divisors is an integer number (71749860).

Almost surely, 21445504500 is an apocalyptic number.

1445504500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445504500 is an abundant number, since it is smaller than the sum of its proper divisors (1998488780).

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

1445504500 is a wasteful number, since it uses less digits than its factorization.

1445504500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262849 (or 262837 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 1445504500 is about 38019.7908989516. The cubic root of 1445504500 is about 1130.6802753751.

Adding to 1445504500 its reverse (54055441), we get a palindrome (1499559941).

The spelling of 1445504500 in words is "one billion, four hundred forty-five million, five hundred four thousand, five hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 125 220 250 275 500 550 1100 1375 2750 5500 262819 525638 1051276 1314095 2628190 2891009 5256380 5782018 6570475 11564036 13140950 14455045 26281900 28910090 32852375 57820180 65704750 72275225 131409500 144550450 289100900 361376125 722752250 1445504500