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74230042 = 2332911149
BaseRepresentation
bin1000110110010…
…10100100011010
312011200021110211
410123022210122
5123000330132
611211001334
71560642055
oct433124432
9164607424
1074230042
11389a0147
1220a3924a
13124c0003
149c03a9c
1567b4147
hex46ca91a

74230042 has 8 divisors (see below), whose sum is σ = 111388500. Its totient is φ = 37100544.

The previous prime is 74230021. The next prime is 74230043. The reversal of 74230042 is 24003247.

It can be written as a sum of positive squares in 2 ways, for example, as 72437121 + 1792921 = 8511^2 + 1339^2 .

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 = 74229995 and 74230022.

It is not an unprimeable number, because it can be changed into a prime (74230043) 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, 1084 + ... + 12232.

Almost surely, 274230042 is an apocalyptic number.

74230042 is a deficient number, since it is larger than the sum of its proper divisors (37158458).

74230042 is a wasteful number, since it uses less digits than its factorization.

74230042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14480.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 74230042 is about 8615.6858113559. The cubic root of 74230042 is about 420.2682375698.

Adding to 74230042 its reverse (24003247), we get a palindrome (98233289).

The spelling of 74230042 in words is "seventy-four million, two hundred thirty thousand, forty-two".

Divisors: 1 2 3329 6658 11149 22298 37115021 74230042