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83090952 = 23327198677
BaseRepresentation
bin1001111001111…
…01111000001000
312210100110100200
410330331320020
5132232402302
612124532200
72026155450
oct474757010
9183313320
1083090952
11429a250a
12239b1060
13142a3259
14b06cd60
15746481c
hex4f3de08

83090952 has 96 divisors (see below), whose sum is σ = 270753600. Its totient is φ = 22488192.

The previous prime is 83090923. The next prime is 83090963. The reversal of 83090952 is 25909038.

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

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, 5238 + ... + 13914.

It is an arithmetic number, because the mean of its divisors is an integer number (2820350).

Almost surely, 283090952 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 83090952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135376800).

83090952 is an abundant number, since it is smaller than the sum of its proper divisors (187662648).

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

83090952 is a wasteful number, since it uses less digits than its factorization.

83090952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8715 (or 8708 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 83090952 is about 9115.4238519117. The cubic root of 83090952 is about 436.3663419340.

The spelling of 83090952 in words is "eighty-three million, ninety thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 19 21 24 28 36 38 42 56 57 63 72 76 84 114 126 133 152 168 171 228 252 266 342 399 456 504 532 684 798 1064 1197 1368 1596 2394 3192 4788 8677 9576 17354 26031 34708 52062 60739 69416 78093 104124 121478 156186 164863 182217 208248 242956 312372 329726 364434 485912 494589 546651 624744 659452 728868 989178 1093302 1154041 1318904 1457736 1483767 1978356 2186604 2308082 2967534 3462123 3956712 4373208 4616164 5935068 6924246 9232328 10386369 11870136 13848492 20772738 27696984 41545476 83090952