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245557341 = 3227284149
BaseRepresentation
bin11101010001011…
…10100001011101
3122010001121100100
432220232201131
51000330313331
640211051313
76041126421
oct1650564135
9563047310
10245557341
11116679957
126a2a0b39
133bb48503
1424880b81
1516857ae6
hexea2e85d

245557341 has 6 divisors (see below), whose sum is σ = 354693950. Its totient is φ = 163704888.

The previous prime is 245557339. The next prime is 245557363. The reversal of 245557341 is 143755542.

245557341 is a `hidden beast` number, since 2 + 45 + 5 + 573 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 123543225 + 122014116 = 11115^2 + 11046^2 .

It is not a de Polignac number, because 245557341 - 21 = 245557339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245557296 and 245557305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241557341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13642066 + ... + 13642083.

Almost surely, 2245557341 is an apocalyptic number.

It is an amenable number.

245557341 is a deficient number, since it is larger than the sum of its proper divisors (109136609).

245557341 is a wasteful number, since it uses less digits than its factorization.

245557341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27284155 (or 27284152 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 245557341 is about 15670.2693339968. The cubic root of 245557341 is about 626.2066000737.

The spelling of 245557341 in words is "two hundred forty-five million, five hundred fifty-seven thousand, three hundred forty-one".

Divisors: 1 3 9 27284149 81852447 245557341