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82631994 = 2313771999
BaseRepresentation
bin1001110110011…
…01110100111010
312202111010210020
410323031310322
5132123210434
612111031310
72022234414
oct473156472
9182433706
1082631994
1142709705
122380b536
1314172393
14ad8d9b4
1573c3849
hex4ecdd3a

82631994 has 8 divisors (see below), whose sum is σ = 165264000. Its totient is φ = 27543996.

The previous prime is 82631993. The next prime is 82631999. The reversal of 82631994 is 49913628.

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

82631994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (82631993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6885994 + ... + 6886005.

It is an arithmetic number, because the mean of its divisors is an integer number (20658000).

Almost surely, 282631994 is an apocalyptic number.

82631994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82631994 is a wasteful number, since it uses less digits than its factorization.

82631994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13772004.

The product of its digits is 93312, while the sum is 42.

The square root of 82631994 is about 9090.2141888957. The cubic root of 82631994 is about 435.5614259712.

The spelling of 82631994 in words is "eighty-two million, six hundred thirty-one thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 13771999 27543998 41315997 82631994