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655343741 = 13371362461
BaseRepresentation
bin100111000011111…
…100000001111101
31200200010220121102
4213003330001331
52320231444431
6145010142445
722145221103
oct4703740175
91620126542
10655343741
11306a194a8
12163581a25
13a5a05380
1463071c73
153c800dcb
hex270fc07d

655343741 has 8 divisors (see below), whose sum is σ = 724829784. Its totient is φ = 588582720.

The previous prime is 655343707. The next prime is 655343753. The reversal of 655343741 is 147343556.

It can be written as a sum of positive squares in 4 ways, for example, as 12924025 + 642419716 = 3595^2 + 25346^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 655343741 - 210 = 655342717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 655343695 and 655343704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655343141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680750 + ... + 681711.

It is an arithmetic number, because the mean of its divisors is an integer number (90603723).

Almost surely, 2655343741 is an apocalyptic number.

It is an amenable number.

655343741 is a deficient number, since it is larger than the sum of its proper divisors (69486043).

655343741 is a wasteful number, since it uses less digits than its factorization.

655343741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362511.

The product of its digits is 151200, while the sum is 38.

The square root of 655343741 is about 25599.6824394366. The cubic root of 655343741 is about 868.6064540290.

The spelling of 655343741 in words is "six hundred fifty-five million, three hundred forty-three thousand, seven hundred forty-one".

Divisors: 1 13 37 481 1362461 17711993 50411057 655343741