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82769652 = 22327418011
BaseRepresentation
bin1001110111011…
…11011011110100
312202202010121200
410323233123310
5132142112102
612114012500
72023346640
oct473573364
9182663550
1082769652
11427a3079
1223877130
13141bcc34
14adc7c20
1573ee51c
hex4eef6f4

82769652 has 72 divisors (see below), whose sum is σ = 244974912. Its totient is φ = 23068800.

The previous prime is 82769647. The next prime is 82769653. The reversal of 82769652 is 25696728.

It is a super-2 number, since 2×827696522 = 13701630584402208, which contains 22 as substring.

Its product of digits (362880) is a multiple of the sum of its prime divisors (8064).

It is a junction number, because it is equal to n+sod(n) for n = 82769598 and 82769607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82769653) 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, 6327 + ... + 14337.

Almost surely, 282769652 is an apocalyptic number.

82769652 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82769652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122487456).

82769652 is an abundant number, since it is smaller than the sum of its proper divisors (162205260).

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

82769652 is a wasteful number, since it uses less digits than its factorization.

82769652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8069 (or 8064 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 82769652 is about 9097.7828068162. The cubic root of 82769652 is about 435.8031614353.

The spelling of 82769652 in words is "eighty-two million, seven hundred sixty-nine thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 41 42 63 82 84 123 126 164 246 252 287 369 492 574 738 861 1148 1476 1722 2583 3444 5166 8011 10332 16022 24033 32044 48066 56077 72099 96132 112154 144198 168231 224308 288396 328451 336462 504693 656902 672924 985353 1009386 1313804 1970706 2018772 2299157 2956059 3941412 4598314 5912118 6897471 9196628 11824236 13794942 20692413 27589884 41384826 82769652