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80832668 = 22747239257
BaseRepresentation
bin1001101000101…
…10100010011100
312122002201120112
410310112202130
5131143121133
612004305152
72001031520
oct464264234
9178081515
1080832668
114169a864
12230a21b8
13139923a7
14aa41d80
15716a648
hex4d1689c

80832668 has 48 divisors (see below), whose sum is σ = 166440960. Its totient is φ = 33632256.

The previous prime is 80832667. The next prime is 80832673. The reversal of 80832668 is 86623808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80832667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314396 + ... + 314652.

It is an arithmetic number, because the mean of its divisors is an integer number (3467520).

Almost surely, 280832668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80832668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83220480).

80832668 is an abundant number, since it is smaller than the sum of its proper divisors (85608292).

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

80832668 is a wasteful number, since it uses less digits than its factorization.

80832668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 80832668 is about 8990.6989717152. The cubic root of 80832668 is about 432.3767218562.

The spelling of 80832668 in words is "eighty million, eight hundred thirty-two thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 47 94 188 239 257 329 478 514 658 956 1028 1316 1673 1799 3346 3598 6692 7196 11233 12079 22466 24158 44932 48316 61423 78631 84553 122846 157262 169106 245692 314524 338212 429961 859922 1719844 2886881 5773762 11547524 20208167 40416334 80832668