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82988970 = 23519913901
BaseRepresentation
bin1001111001001…
…00111110101010
312210011021110120
410330210332222
5132221121340
612122424110
72025252231
oct474447652
9183137416
1082988970
1142932929
1223962036
13142689cc
14b043b18
1574444d0
hex4f24faa

82988970 has 32 divisors (see below), whose sum is σ = 200188800. Its totient is φ = 22017600.

The previous prime is 82988957. The next prime is 82988993. The reversal of 82988970 is 7988928.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981 + ... + 12920.

It is an arithmetic number, because the mean of its divisors is an integer number (6255900).

Almost surely, 282988970 is an apocalyptic number.

82988970 is an abundant number, since it is smaller than the sum of its proper divisors (117199830).

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

82988970 is a wasteful number, since it uses less digits than its factorization.

82988970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14110.

The product of its (nonzero) digits is 580608, while the sum is 51.

The square root of 82988970 is about 9109.8282091376. The cubic root of 82988970 is about 436.1877435427.

The spelling of 82988970 in words is "eighty-two million, nine hundred eighty-eight thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 199 398 597 995 1194 1990 2985 5970 13901 27802 41703 69505 83406 139010 208515 417030 2766299 5532598 8298897 13831495 16597794 27662990 41494485 82988970