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8308009052 = 22731711131193
BaseRepresentation
bin1111011110011001…
…00010100001011100
3210102222222120212222
413233030202201130
5114003322242202
63452221244512
7412610624510
oct75714424134
923388876788
108308009052
113583722192
12173a403738
13a252b64b5
1458b564140
1533958c4a2
hex1ef32285c

8308009052 has 96 divisors (see below), whose sum is σ = 17562230784. Its totient is φ = 3364300800.

The previous prime is 8308009043. The next prime is 8308009069. The reversal of 8308009052 is 2509008038.

It is a super-2 number, since 2×83080090522 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6963368 + ... + 6964560.

It is an arithmetic number, because the mean of its divisors is an integer number (182939904).

Almost surely, 28308009052 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 8308009052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8781115392).

8308009052 is an abundant number, since it is smaller than the sum of its proper divisors (9254221732).

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

8308009052 is a wasteful number, since it uses less digits than its factorization.

8308009052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 8308009052 is about 91148.2805762127. The cubic root of 8308009052 is about 2025.3448827413.

The spelling of 8308009052 in words is "eight billion, three hundred eight million, nine thousand, fifty-two".

Divisors: 1 2 4 7 14 28 31 62 71 113 124 142 217 226 284 434 452 497 791 868 994 1193 1582 1988 2201 2386 3164 3503 4402 4772 7006 8023 8351 8804 14012 15407 16046 16702 24521 30814 32092 33404 36983 49042 56161 61628 73966 84703 98084 112322 134809 147932 169406 224644 248713 258881 269618 338812 497426 517762 539236 592921 943663 994852 1035524 1185842 1740991 1887326 2371684 2625793 3481982 3774652 4179079 5251586 6963964 8358158 9571439 10503172 16716316 18380551 19142878 29253553 36761102 38285756 58507106 67000073 73522204 117014212 134000146 268000292 296714609 593429218 1186858436 2077002263 4154004526 8308009052