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1305000324 = 223236250009
BaseRepresentation
bin100110111001000…
…1011100110000100
310100221120212220100
41031302023212010
510133040002244
6333254404100
744224214445
oct11562134604
93327525810
101305000324
1160a703071
12305060630
1317a498c54
14c54632cc
157987bb69
hex4dc8b984

1305000324 has 18 divisors (see below), whose sum is σ = 3298750910. Its totient is φ = 435000096.

The previous prime is 1305000283. The next prime is 1305000337. The reversal of 1305000324 is 4230005031.

1305000324 is a `hidden beast` number, since 130 + 500 + 0 + 32 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1283932224 + 21068100 = 35832^2 + 4590^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1305000297 and 1305000306.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18124969 + ... + 18125040.

Almost surely, 21305000324 is an apocalyptic number.

It is an amenable number.

1305000324 is an abundant number, since it is smaller than the sum of its proper divisors (1993750586).

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

1305000324 is a wasteful number, since it uses less digits than its factorization.

1305000324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36250019 (or 36250014 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1305000324 is about 36124.7882208325. The cubic root of 1305000324 is about 1092.7904050932.

Adding to 1305000324 its reverse (4230005031), we get a palindrome (5535005355).

The spelling of 1305000324 in words is "one billion, three hundred five million, three hundred twenty-four", and thus it is an aban number.

Divisors: 1 2 3 4 6 9 12 18 36 36250009 72500018 108750027 145000036 217500054 326250081 435000108 652500162 1305000324