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660734341 = 3121314011
BaseRepresentation
bin100111011000100…
…000000110000101
31201001021210010021
4213120200012011
52323121444331
6145321455141
722242102121
oct4730400605
91631253107
10660734341
11309a70543
121653414b1
13a6b71b87
1463a76581
153d018211
hex27620185

660734341 has 4 divisors (see below), whose sum is σ = 682048384. Its totient is φ = 639420300.

The previous prime is 660734339. The next prime is 660734351. The reversal of 660734341 is 143437066.

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 660734341 - 21 = 660734339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 660734297 and 660734306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660734351) 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, 10656975 + ... + 10657036.

It is an arithmetic number, because the mean of its divisors is an integer number (170512096).

Almost surely, 2660734341 is an apocalyptic number.

It is an amenable number.

660734341 is a deficient number, since it is larger than the sum of its proper divisors (21314043).

660734341 is a wasteful number, since it uses less digits than its factorization.

660734341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21314042.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 660734341 is about 25704.7532763884. The cubic root of 660734341 is about 870.9815587396.

The spelling of 660734341 in words is "six hundred sixty million, seven hundred thirty-four thousand, three hundred forty-one".

Divisors: 1 31 21314011 660734341