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82929312 = 2533531811
BaseRepresentation
bin1001111000101…
…10011010100000
312210001020122000
410330112122200
5132212214222
612121244000
72024613264
oct474263240
9183036560
1082929312
11428a2024
1223933600
13142477cb
14b02a0a4
1574319ac
hex4f166a0

82929312 has 96 divisors (see below), whose sum is σ = 246576960. Its totient is φ = 27106560.

The previous prime is 82929311. The next prime is 82929323. The reversal of 82929312 is 21392928.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82929311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44887 + ... + 46697.

It is an arithmetic number, because the mean of its divisors is an integer number (2568510).

Almost surely, 282929312 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 82929312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123288480).

82929312 is an abundant number, since it is smaller than the sum of its proper divisors (163647648).

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

82929312 is a wasteful number, since it uses less digits than its factorization.

82929312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883 (or 1869 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 82929312 is about 9106.5532447793. The cubic root of 82929312 is about 436.0831982183.

The spelling of 82929312 in words is "eighty-two million, nine hundred twenty-nine thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 53 54 72 96 106 108 144 159 212 216 288 318 424 432 477 636 848 864 954 1272 1431 1696 1811 1908 2544 2862 3622 3816 5088 5433 5724 7244 7632 10866 11448 14488 15264 16299 21732 22896 28976 32598 43464 45792 48897 57952 65196 86928 95983 97794 130392 173856 191966 195588 260784 287949 383932 391176 521568 575898 767864 782352 863847 1151796 1535728 1564704 1727694 2303592 2591541 3071456 3455388 4607184 5183082 6910776 9214368 10366164 13821552 20732328 27643104 41464656 82929312