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74466138 = 2312411023
BaseRepresentation
bin1000111000001…
…00001101011010
312012010021100010
410130010031122
5123030404023
611220022350
71562644305
oct434041532
9165107303
1074466138
113904156a
1220b319b6
1312573606
149c65b3c
15680e093
hex470435a

74466138 has 8 divisors (see below), whose sum is σ = 148932288. Its totient is φ = 24822044.

The previous prime is 74466107. The next prime is 74466173. The reversal of 74466138 is 83166447.

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

74466138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 74466096 and 74466105.

It is an unprimeable number.

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, 6205506 + ... + 6205517.

It is an arithmetic number, because the mean of its divisors is an integer number (18616536).

Almost surely, 274466138 is an apocalyptic number.

74466138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74466138 is a wasteful number, since it uses less digits than its factorization.

74466138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12411028.

The product of its digits is 96768, while the sum is 39.

The square root of 74466138 is about 8629.3764548778. The cubic root of 74466138 is about 420.7133342618.

The spelling of 74466138 in words is "seventy-four million, four hundred sixty-six thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 12411023 24822046 37233069 74466138