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1305361036 = 227379671303
BaseRepresentation
bin100110111001110…
…0011101010001100
310100222021012201001
41031303203222030
510133133023121
6333310230044
744230246210
oct11563435214
93328235631
101305361036
1160a92a081
123051b5324
1317a5941a5
14c5518940
15798ed991
hex4dce3a8c

1305361036 has 48 divisors (see below), whose sum is σ = 2686114816. Its totient is φ = 543340224.

The previous prime is 1305361007. The next prime is 1305361049. The reversal of 1305361036 is 6301635031.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1305360995 and 1305361013.

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, 1001161 + ... + 1002463.

Almost surely, 21305361036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1305361036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1343057408).

1305361036 is an abundant number, since it is smaller than the sum of its proper divisors (1380753780).

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

1305361036 is a wasteful number, since it uses less digits than its factorization.

1305361036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318 (or 2316 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 1305361036 is about 36129.7804587850. The cubic root of 1305361036 is about 1092.8910810069.

Adding to 1305361036 its reverse (6301635031), we get a palindrome (7606996067).

The spelling of 1305361036 in words is "one billion, three hundred five million, three hundred sixty-one thousand, thirty-six".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 967 1036 1303 1934 2606 3868 5212 6769 9121 13538 18242 27076 35779 36484 48211 71558 96422 143116 192844 250453 337477 500906 674954 1001812 1260001 1349908 2520002 5040004 8820007 17640014 35280028 46620037 93240074 186480148 326340259 652680518 1305361036