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82424070 = 23256713669
BaseRepresentation
bin1001110100110…
…11000100000110
312202002120120100
410322123010012
5132100032240
612102344530
72020410261
oct472330406
9182076510
1082424070
1142587473
122372b146
13140cb851
14ad37cd8
157381e30
hex4e9b106

82424070 has 48 divisors (see below), whose sum is σ = 217517040. Its totient is φ = 21650112.

The previous prime is 82424059. The next prime is 82424107. The reversal of 82424070 is 7042428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 805 + ... + 12864.

It is an arithmetic number, because the mean of its divisors is an integer number (4531605).

Almost surely, 282424070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82424070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108758520).

82424070 is an abundant number, since it is smaller than the sum of its proper divisors (135092970).

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

82424070 is a wasteful number, since it uses less digits than its factorization.

82424070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13749 (or 13746 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 82424070 is about 9078.7702911793. The cubic root of 82424070 is about 435.1957897866.

Adding to 82424070 its reverse (7042428), we get a palindrome (89466498).

The spelling of 82424070 in words is "eighty-two million, four hundred twenty-four thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 67 90 134 201 335 402 603 670 1005 1206 2010 3015 6030 13669 27338 41007 68345 82014 123021 136690 205035 246042 410070 615105 915823 1230210 1831646 2747469 4579115 5494938 8242407 9158230 13737345 16484814 27474690 41212035 82424070