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742819417 = 1037211839
BaseRepresentation
bin101100010001101…
…000011001011001
31220202202010200021
4230101220121121
53010130210132
6201413110441
724256601164
oct5421503131
91822663607
10742819417
1135133624a
12188928421
13bab82322
1470922adb
154532e997
hex2c468659

742819417 has 4 divisors (see below), whose sum is σ = 750031360. Its totient is φ = 735607476.

The previous prime is 742819393. The next prime is 742819447. The reversal of 742819417 is 714918247.

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, and also an emirpimes, since its reverse is a distinct semiprime: 714918247 = 1096558883.

It is a cyclic number.

It is not a de Polignac number, because 742819417 - 219 = 742295129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742819447) 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, 3605817 + ... + 3606022.

It is an arithmetic number, because the mean of its divisors is an integer number (187507840).

Almost surely, 2742819417 is an apocalyptic number.

It is an amenable number.

742819417 is a deficient number, since it is larger than the sum of its proper divisors (7211943).

742819417 is a wasteful number, since it uses less digits than its factorization.

742819417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7211942.

The product of its digits is 112896, while the sum is 43.

The square root of 742819417 is about 27254.7136657129. The cubic root of 742819417 is about 905.6514410607.

The spelling of 742819417 in words is "seven hundred forty-two million, eight hundred nineteen thousand, four hundred seventeen".

Divisors: 1 103 7211839 742819417