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83235672 = 233213175231
BaseRepresentation
bin1001111011000…
…01001101011000
312210121210212200
410331201031120
5132302020142
612132010200
72030330412
oct475411530
9183553780
1083235672
1142a91213
1223a60960
13143240a0
14b0a99b2
15749264c
hex4f61358

83235672 has 96 divisors (see below), whose sum is σ = 257100480. Its totient is φ = 24099840.

The previous prime is 83235671. The next prime is 83235739. The reversal of 83235672 is 27653238.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83235671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13297 + ... + 18527.

It is an arithmetic number, because the mean of its divisors is an integer number (2678130).

Almost surely, 283235672 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 83235672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128550240).

83235672 is an abundant number, since it is smaller than the sum of its proper divisors (173864808).

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

83235672 is a wasteful number, since it uses less digits than its factorization.

83235672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5273 (or 5266 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 83235672 is about 9123.3585920975. The cubic root of 83235672 is about 436.6195356030.

The spelling of 83235672 in words is "eighty-three million, two hundred thirty-five thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 13 17 18 24 26 34 36 39 51 52 68 72 78 102 104 117 136 153 156 204 221 234 306 312 408 442 468 612 663 884 936 1224 1326 1768 1989 2652 3978 5231 5304 7956 10462 15693 15912 20924 31386 41848 47079 62772 68003 88927 94158 125544 136006 177854 188316 204009 266781 272012 355708 376632 408018 533562 544024 612027 711416 800343 816036 1067124 1156051 1224054 1600686 1632072 2134248 2312102 2448108 3201372 3468153 4624204 4896216 6402744 6936306 9248408 10404459 13872612 20808918 27745224 41617836 83235672