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74481842 = 2169321997
BaseRepresentation
bin1000111000010…
…00000010110010
312012011001212202
410130020002302
5123031404332
611220223202
71563041141
oct434100262
9165131782
1074481842
1139052346
1220b3ab02
131257a7c6
149c6b758
156813a62
hex47080b2

74481842 has 8 divisors (see below), whose sum is σ = 111793836. Its totient is φ = 37217232.

The previous prime is 74481829. The next prime is 74481857. The reversal of 74481842 is 24818447.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 74459641 + 22201 = 8629^2 + 149^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 74481796 and 74481805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7613 + ... + 14384.

Almost surely, 274481842 is an apocalyptic number.

74481842 is a deficient number, since it is larger than the sum of its proper divisors (37311994).

74481842 is a wasteful number, since it uses less digits than its factorization.

74481842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23692.

The product of its digits is 57344, while the sum is 38.

The square root of 74481842 is about 8630.2863220174. The cubic root of 74481842 is about 420.7429066196.

The spelling of 74481842 in words is "seventy-four million, four hundred eighty-one thousand, eight hundred forty-two".

Divisors: 1 2 1693 3386 21997 43994 37240921 74481842