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82987962 = 2397142591
BaseRepresentation
bin1001111001001…
…00101110111010
312210011020002020
410330210232322
5132221103322
612122415310
72025246261
oct474445672
9183136066
1082987962
11429320a2
1223961536
1314268405
14b0435d8
15744405c
hex4f24bba

82987962 has 16 divisors (see below), whose sum is σ = 167688192. Its totient is φ = 27377280.

The previous prime is 82987951. The next prime is 82987967. The reversal of 82987962 is 26978928.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82987967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70714 + ... + 71877.

It is an arithmetic number, because the mean of its divisors is an integer number (10480512).

Almost surely, 282987962 is an apocalyptic number.

82987962 is an abundant number, since it is smaller than the sum of its proper divisors (84700230).

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

82987962 is a wasteful number, since it uses less digits than its factorization.

82987962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142693.

The product of its digits is 870912, while the sum is 51.

The square root of 82987962 is about 9109.7728841064. The cubic root of 82987962 is about 436.1859775288.

The spelling of 82987962 in words is "eighty-two million, nine hundred eighty-seven thousand, nine hundred sixty-two".

Divisors: 1 2 3 6 97 194 291 582 142591 285182 427773 855546 13831327 27662654 41493981 82987962