Search a number
-
+
76828452 = 2238377137
BaseRepresentation
bin1001001010001…
…00111100100100
312100120021211020
410211010330210
5124132002302
611342411140
71622013441
oct445047444
9170507736
1076828452
113a405398
1221890ab0
1312bbc92c
14a2bc9c8
156b28ebc
hex4944f24

76828452 has 24 divisors (see below), whose sum is σ = 181428576. Its totient is φ = 25300608.

The previous prime is 76828417. The next prime is 76828471. The reversal of 76828452 is 25482867.

It is a happy number.

It is a super-2 number, since 2×768284522 = 11805222073432608, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37573 + ... + 39564.

It is an arithmetic number, because the mean of its divisors is an integer number (7559524).

Almost surely, 276828452 is an apocalyptic number.

It is an amenable number.

76828452 is an abundant number, since it is smaller than the sum of its proper divisors (104600124).

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

76828452 is a wasteful number, since it uses less digits than its factorization.

76828452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77227 (or 77225 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 76828452 is about 8765.1840824936. The cubic root of 76828452 is about 425.1159120979.

The spelling of 76828452 in words is "seventy-six million, eight hundred twenty-eight thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 77137 154274 231411 308548 462822 925644 6402371 12804742 19207113 25609484 38414226 76828452