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82313983 = 1722321713
BaseRepresentation
bin1001110100000…
…00001011111111
312201212222120001
410322000023333
5132033021413
612100135131
72016441313
oct472001377
9181788501
1082313983
1142511794
12236974a7
13140906cb
14ad09b43
15735e4dd
hex4e802ff

82313983 has 8 divisors (see below), whose sum is σ = 87550848. Its totient is φ = 77121024.

The previous prime is 82313969. The next prime is 82313999. The reversal of 82313983 is 38931328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82313983 - 217 = 82182911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82313963) 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, 7066 + ... + 14647.

It is an arithmetic number, because the mean of its divisors is an integer number (10943856).

Almost surely, 282313983 is an apocalyptic number.

82313983 is a deficient number, since it is larger than the sum of its proper divisors (5236865).

82313983 is a wasteful number, since it uses less digits than its factorization.

82313983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21953.

The product of its digits is 31104, while the sum is 37.

The square root of 82313983 is about 9072.7053848342. The cubic root of 82313983 is about 435.0019518123.

The spelling of 82313983 in words is "eighty-two million, three hundred thirteen thousand, nine hundred eighty-three".

Divisors: 1 17 223 3791 21713 369121 4841999 82313983