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74304193 = 193910747
BaseRepresentation
bin1000110110111…
…00101011000001
312011211001012011
410123130223001
5123010213233
611212332521
71561401205
oct433345301
9164731164
1074304193
1138a40927
1220a74141
13125179a2
149c22b05
1567cb0cd
hex46dcac1

74304193 has 4 divisors (see below), whose sum is σ = 78214960. Its totient is φ = 70393428.

The previous prime is 74304169. The next prime is 74304199. The reversal of 74304193 is 39140347.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74304193 - 29 = 74303681 is a prime.

It is a super-2 number, since 2×743041932 = 11042226194762498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74304199) 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, 1955355 + ... + 1955392.

It is an arithmetic number, because the mean of its divisors is an integer number (19553740).

Almost surely, 274304193 is an apocalyptic number.

It is an amenable number.

74304193 is a deficient number, since it is larger than the sum of its proper divisors (3910767).

74304193 is a wasteful number, since it uses less digits than its factorization.

74304193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910766.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 74304193 is about 8619.9879930311. The cubic root of 74304193 is about 420.4081312404.

The spelling of 74304193 in words is "seventy-four million, three hundred four thousand, one hundred ninety-three".

Divisors: 1 19 3910747 74304193