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74193419 = 379195761
BaseRepresentation
bin1000110110000…
…01101000001011
312011121102020102
410123001220023
5122443142134
611210120015
71560430226
oct433015013
9164542212
1074193419
1138975683
1220a2000b
13124a9441
149bd45bd
1567a837e
hex46c1a0b

74193419 has 4 divisors (see below), whose sum is σ = 74389560. Its totient is φ = 73997280.

The previous prime is 74193409. The next prime is 74193467. The reversal of 74193419 is 91439147.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74193419 - 220 = 73144843 is a prime.

It is a super-2 number, since 2×741934192 = 11009326845819122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74193409) by changing a digit.

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, 97502 + ... + 98259.

It is an arithmetic number, because the mean of its divisors is an integer number (18597390).

Almost surely, 274193419 is an apocalyptic number.

74193419 is a deficient number, since it is larger than the sum of its proper divisors (196141).

74193419 is a wasteful number, since it uses less digits than its factorization.

74193419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196140.

The product of its digits is 27216, while the sum is 38.

The square root of 74193419 is about 8613.5601814813. The cubic root of 74193419 is about 420.1991100522.

The spelling of 74193419 in words is "seventy-four million, one hundred ninety-three thousand, four hundred nineteen".

Divisors: 1 379 195761 74193419