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1308076 = 2271131137
BaseRepresentation
bin100111111010110101100
32110110100021
410333112230
5313324301
644011524
714055430
oct4772654
92413307
101308076
11813860
12530ba4
1336a513
142609c0
151ac8a1
hex13f5ac

1308076 has 48 divisors (see below), whose sum is σ = 2967552. Its totient is φ = 489600.

The previous prime is 1308049. The next prime is 1308077. The reversal of 1308076 is 6708031.

It is a super-2 number, since 2×13080762 = 3422125643552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1308076.

It is not an unprimeable number, because it can be changed into a prime (1308077) by changing a digit.

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, 9480 + ... + 9616.

It is an arithmetic number, because the mean of its divisors is an integer number (61824).

21308076 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 1308076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1483776).

1308076 is an abundant number, since it is smaller than the sum of its proper divisors (1659476).

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

1308076 is a wasteful number, since it uses less digits than its factorization.

1308076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1308076 is about 1143.7115020843. The cubic root of 1308076 is about 109.3648241962.

The spelling of 1308076 in words is "one million, three hundred eight thousand, seventy-six".

Divisors: 1 2 4 7 11 14 22 28 31 44 62 77 124 137 154 217 274 308 341 434 548 682 868 959 1364 1507 1918 2387 3014 3836 4247 4774 6028 8494 9548 10549 16988 21098 29729 42196 46717 59458 93434 118916 186868 327019 654038 1308076