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742363 = 799397
BaseRepresentation
bin10110101001111011011
31101201022221
42311033123
5142223423
623524511
76211216
oct2651733
91351287
10742363
11467826
122b9737
131ccb8b
1415477d
15e9e5d
hexb53db

742363 has 4 divisors (see below), whose sum is σ = 751840. Its totient is φ = 732888.

The previous prime is 742351. The next prime is 742369. The reversal of 742363 is 363247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 363247 = 2331559.

It is a cyclic number.

It is not a de Polignac number, because 742363 - 213 = 734171 is a prime.

It is a super-2 number, since 2×7423632 = 1102205647538, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 75 + 47 + 3 + 217 + 66 + 312 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742369) 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, 4620 + ... + 4777.

It is an arithmetic number, because the mean of its divisors is an integer number (187960).

2742363 is an apocalyptic number.

742363 is a deficient number, since it is larger than the sum of its proper divisors (9477).

742363 is an equidigital number, since it uses as much as digits as its factorization.

742363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476.

The product of its digits is 3024, while the sum is 25.

The square root of 742363 is about 861.6048978505. The cubic root of 742363 is about 90.5465913958.

The spelling of 742363 in words is "seven hundred forty-two thousand, three hundred sixty-three".

Divisors: 1 79 9397 742363