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742682741 = 3823194267
BaseRepresentation
bin101100010001000…
…111000001110101
31220202111012012012
4230101013001311
53010111321431
6201410134005
724255461543
oct5421070165
91822435165
10742682741
11351252599
12188881305
13bab35058
14708c8d93
154530422b
hex2c447075

742682741 has 4 divisors (see below), whose sum is σ = 742880832. Its totient is φ = 742484652.

The previous prime is 742682687. The next prime is 742682749. The reversal of 742682741 is 147286247.

It is a happy number.

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: 147286247 = 214368729.

It is a cyclic number.

It is not a de Polignac number, because 742682741 - 210 = 742681717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742682749) 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, 93311 + ... + 100956.

It is an arithmetic number, because the mean of its divisors is an integer number (185720208).

Almost surely, 2742682741 is an apocalyptic number.

It is an amenable number.

742682741 is a deficient number, since it is larger than the sum of its proper divisors (198091).

742682741 is a wasteful number, since it uses less digits than its factorization.

742682741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198090.

The product of its digits is 150528, while the sum is 41.

The square root of 742682741 is about 27252.2061675748. The cubic root of 742682741 is about 905.5958921587.

The spelling of 742682741 in words is "seven hundred forty-two million, six hundred eighty-two thousand, seven hundred forty-one".

Divisors: 1 3823 194267 742682741