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74141380 = 2253707069
BaseRepresentation
bin1000110101101…
…00111011000100
312011111202212001
410122310323010
5122440011010
611205035044
71560122425
oct432647304
9164452761
1074141380
113893a575
12209b5a84
131248b851
149bbd64c
156797c3a
hex46b4ec4

74141380 has 12 divisors (see below), whose sum is σ = 155696940. Its totient is φ = 29656544.

The previous prime is 74141341. The next prime is 74141381. The reversal of 74141380 is 8314147.

It can be written as a sum of positive squares in 2 ways, for example, as 58125376 + 16016004 = 7624^2 + 4002^2 .

It is not an unprimeable number, because it can be changed into a prime (74141381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853515 + ... + 1853554.

It is an arithmetic number, because the mean of its divisors is an integer number (12974745).

Almost surely, 274141380 is an apocalyptic number.

It is an amenable number.

74141380 is an abundant number, since it is smaller than the sum of its proper divisors (81555560).

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

74141380 is a wasteful number, since it uses less digits than its factorization.

74141380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707078 (or 3707076 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 74141380 is about 8610.5388913819. The cubic root of 74141380 is about 420.1008450210.

The spelling of 74141380 in words is "seventy-four million, one hundred forty-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 3707069 7414138 14828276 18535345 37070690 74141380