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82307088 = 24321967449
BaseRepresentation
bin1001110011111…
…10100000010000
312201212122002200
410321332200100
5132032311323
612100043200
72016412233
oct471764020
9181778080
1082307088
1142507596
1223693500
131408a526
14ad0741a
15735c443
hex4e7e810

82307088 has 120 divisors (see below), whose sum is σ = 246636000. Its totient is φ = 25546752.

The previous prime is 82307063. The next prime is 82307089. The reversal of 82307088 is 88070328.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (82307089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183088 + ... + 183536.

It is an arithmetic number, because the mean of its divisors is an integer number (2055300).

Almost surely, 282307088 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 82307088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123318000).

82307088 is an abundant number, since it is smaller than the sum of its proper divisors (164328912).

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

82307088 is a wasteful number, since it uses less digits than its factorization.

82307088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 82307088 is about 9072.3253909899. The cubic root of 82307088 is about 434.9898055479.

The spelling of 82307088 in words is "eighty-two million, three hundred seven thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 67 72 76 114 134 144 152 171 201 228 268 304 342 402 449 456 536 603 684 804 898 912 1072 1206 1273 1347 1368 1608 1796 2412 2546 2694 2736 3216 3592 3819 4041 4824 5092 5388 7184 7638 8082 8531 9648 10184 10776 11457 15276 16164 17062 20368 21552 22914 25593 30083 30552 32328 34124 45828 51186 60166 61104 64656 68248 76779 90249 91656 102372 120332 136496 153558 180498 183312 204744 240664 270747 307116 360996 409488 481328 541494 571577 614232 721992 1082988 1143154 1228464 1443984 1714731 2165976 2286308 3429462 4331952 4572616 5144193 6858924 9145232 10288386 13717848 20576772 27435696 41153544 82307088