Search a number
-
+
78324463 = 719495741
BaseRepresentation
bin1001010101100…
…10001011101111
312110101021222001
410222302023233
5130022340323
611434433131
71640514130
oct452621357
9173337861
1078324463
1140237368
12222927a7
13132c4849
14a58bc87
156d223ad
hex4ab22ef

78324463 has 8 divisors (see below), whose sum is σ = 89575200. Its totient is φ = 67089120.

The previous prime is 78324451. The next prime is 78324469. The reversal of 78324463 is 36442387.

It is a happy number.

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

It is not a de Polignac number, because 78324463 - 225 = 44770031 is a prime.

It is a super-2 number, since 2×783244632 = 12269443008476738, 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 (78324469) 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, 10773 + ... + 16513.

It is an arithmetic number, because the mean of its divisors is an integer number (11196900).

Almost surely, 278324463 is an apocalyptic number.

78324463 is a deficient number, since it is larger than the sum of its proper divisors (11250737).

78324463 is a wasteful number, since it uses less digits than its factorization.

78324463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7697.

The product of its digits is 96768, while the sum is 37.

The square root of 78324463 is about 8850.1109032599. The cubic root of 78324463 is about 427.8574928798.

It can be divided in two parts, 78324 and 463, that added together give a palindrome (78787).

The spelling of 78324463 in words is "seventy-eight million, three hundred twenty-four thousand, four hundred sixty-three".

Divisors: 1 7 1949 5741 13643 40187 11189209 78324463