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74388842 = 2114182471
BaseRepresentation
bin1000110111100…
…01010101101010
312011222100022022
410123301111222
5123020420332
611214224442
71562203043
oct433612552
9164870268
1074388842
1138a99490
1220ab5122
1312547388
149c458ca
1567e6212
hex46f156a

74388842 has 16 divisors (see below), whose sum is σ = 124697664. Its totient is φ = 32988000.

The previous prime is 74388773. The next prime is 74388851. The reversal of 74388842 is 24888347.

It is a junction number, because it is equal to n+sod(n) for n = 74388793 and 74388802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40334 + ... + 42137.

It is an arithmetic number, because the mean of its divisors is an integer number (7793604).

Almost surely, 274388842 is an apocalyptic number.

74388842 is a deficient number, since it is larger than the sum of its proper divisors (50308822).

74388842 is a wasteful number, since it uses less digits than its factorization.

74388842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82525.

The product of its digits is 344064, while the sum is 44.

The square root of 74388842 is about 8624.8966370618. The cubic root of 74388842 is about 420.5677167726.

The spelling of 74388842 in words is "seventy-four million, three hundred eighty-eight thousand, eight hundred forty-two".

Divisors: 1 2 11 22 41 82 451 902 82471 164942 907181 1814362 3381311 6762622 37194421 74388842