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82793623 = 1119973769
BaseRepresentation
bin1001110111101…
…01010010010111
312202210100111111
410323311102113
5132143343443
612114315451
72023506553
oct473652227
9182710444
1082793623
114280a090
1223888b87
13141cab13
14add2863
15740669d
hex4ef5497

82793623 has 8 divisors (see below), whose sum is σ = 90389520. Its totient is φ = 75209280.

The previous prime is 82793617. The next prime is 82793651. The reversal of 82793623 is 32639728.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-82793623 is a prime.

It is a super-2 number, since 2×827936232 = 13709568018932258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82793603) 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, 20083 + ... + 23851.

It is an arithmetic number, because the mean of its divisors is an integer number (11298690).

Almost surely, 282793623 is an apocalyptic number.

82793623 is a deficient number, since it is larger than the sum of its proper divisors (7595897).

82793623 is a wasteful number, since it uses less digits than its factorization.

82793623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777.

The product of its digits is 108864, while the sum is 40.

The square root of 82793623 is about 9099.1001203416. The cubic root of 82793623 is about 435.8452285014.

The spelling of 82793623 in words is "eighty-two million, seven hundred ninety-three thousand, six hundred twenty-three".

Divisors: 1 11 1997 3769 21967 41459 7526693 82793623