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76442 = 2371033
BaseRepresentation
bin10010101010011010
310212212012
4102222122
54421232
61345522
7435602
oct225232
9125765
1076442
1152483
12382a2
1328a42
141dc02
15179b2
hex12a9a

76442 has 8 divisors (see below), whose sum is σ = 117876. Its totient is φ = 37152.

The previous prime is 76441. The next prime is 76463. The reversal of 76442 is 24467.

It can be written as a sum of positive squares in 2 ways, for example, as 57121 + 19321 = 239^2 + 139^2 .

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

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (76441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443 + ... + 590.

276442 is an apocalyptic number.

76442 is a deficient number, since it is larger than the sum of its proper divisors (41434).

76442 is a wasteful number, since it uses less digits than its factorization.

76442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072.

The product of its digits is 1344, while the sum is 23.

The square root of 76442 is about 276.4814641165. The cubic root of 76442 is about 42.4401926934.

The spelling of 76442 in words is "seventy-six thousand, four hundred forty-two".

Divisors: 1 2 37 74 1033 2066 38221 76442