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82291030 = 258229103
BaseRepresentation
bin1001110011110…
…10100101010110
312201211211001221
410321322211112
5132031303110
612055440554
72016314353
oct471724526
9181754057
1082291030
11424a6518
122368615a
1314083123
14ad0162a
1573577da
hex4e7a956

82291030 has 8 divisors (see below), whose sum is σ = 148123872. Its totient is φ = 32916408.

The previous prime is 82291021. The next prime is 82291051. The reversal of 82291030 is 3019228.

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

It is a junction number, because it is equal to n+sod(n) for n = 82290986 and 82291004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4114542 + ... + 4114561.

It is an arithmetic number, because the mean of its divisors is an integer number (18515484).

Almost surely, 282291030 is an apocalyptic number.

82291030 is a deficient number, since it is larger than the sum of its proper divisors (65832842).

82291030 is a wasteful number, since it uses less digits than its factorization.

82291030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8229110.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 82291030 is about 9071.4403486988. The cubic root of 82291030 is about 434.9615150698.

The spelling of 82291030 in words is "eighty-two million, two hundred ninety-one thousand, thirty".

Divisors: 1 2 5 10 8229103 16458206 41145515 82291030