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74494162 = 257764553
BaseRepresentation
bin1000111000010…
…11000011010010
312012011200210001
410130023003102
5123032303122
611220400214
71563122101
oct434130322
9165150701
1074494162
1139060626
1220b4606a
13125832b2
149c72038
156817527
hex470b0d2

74494162 has 8 divisors (see below), whose sum is σ = 111936636. Its totient is φ = 37181952.

The previous prime is 74494139. The next prime is 74494163. The reversal of 74494162 is 26149447.

It is a happy number.

It is a Cunningham number, because it is equal to 86312+1.

It can be written as a sum of positive squares in 2 ways, for example, as 74494161 + 1 = 8631^2 + 1^2 .

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

It is not an unprimeable number, because it can be changed into a prime (74494163) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 31123 + ... + 33430.

Almost surely, 274494162 is an apocalyptic number.

74494162 is a deficient number, since it is larger than the sum of its proper divisors (37442474).

74494162 is a wasteful number, since it uses less digits than its factorization.

74494162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65132.

The product of its digits is 48384, while the sum is 37.

The square root of 74494162 is about 8631.0000579307. Note that the first 4 decimals coincide. The cubic root of 74494162 is about 420.7661036239.

It can be divided in two parts, 7449 and 4162, that added together give a palindrome (11611).

The spelling of 74494162 in words is "seventy-four million, four hundred ninety-four thousand, one hundred sixty-two".

Divisors: 1 2 577 1154 64553 129106 37247081 74494162