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606981245 = 5132718321
BaseRepresentation
bin100100001011011…
…100110001111101
31120022010211201212
4210023130301331
52220341344440
6140121414205
721020153423
oct4413346175
91508124655
10606981245
11291696aa2
1214b33a365
13989a1400
145a883113
153844b465
hex242dcc7d

606981245 has 12 divisors (see below), whose sum is σ = 788717556. Its totient is φ = 448231680.

The previous prime is 606981233. The next prime is 606981251. The reversal of 606981245 is 542189606.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 26604964 + 580376281 = 5158^2 + 24091^2 .

It is not a de Polignac number, because 606981245 - 212 = 606977149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358316 + ... + 360005.

It is an arithmetic number, because the mean of its divisors is an integer number (65726463).

Almost surely, 2606981245 is an apocalyptic number.

606981245 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

606981245 is a deficient number, since it is larger than the sum of its proper divisors (181736311).

606981245 is a wasteful number, since it uses less digits than its factorization.

606981245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718352 (or 718339 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 606981245 is about 24636.9893655860. The cubic root of 606981245 is about 846.6912871472.

The spelling of 606981245 in words is "six hundred six million, nine hundred eighty-one thousand, two hundred forty-five".

Divisors: 1 5 13 65 169 845 718321 3591605 9338173 46690865 121396249 606981245