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354345049 is a prime number
BaseRepresentation
bin10101000111101…
…110000001011001
3220200202121000201
4111013232001121
51211203020144
655054502201
711531611642
oct2507560131
9820677021
10354345049
11172022753
129a804961
1358547b36
14350bc6c9
15211961d4
hex151ee059

354345049 has 2 divisors, whose sum is σ = 354345050. Its totient is φ = 354345048.

The previous prime is 354345031. The next prime is 354345073. The reversal of 354345049 is 940543453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244766025 + 109579024 = 15645^2 + 10468^2 .

It is a cyclic number.

It is not a de Polignac number, because 354345049 - 227 = 220127321 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 354344999 and 354345017.

It is not a weakly prime, because it can be changed into another prime (354345449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177172524 + 177172525.

It is an arithmetic number, because the mean of its divisors is an integer number (177172525).

Almost surely, 2354345049 is an apocalyptic number.

It is an amenable number.

354345049 is a deficient number, since it is larger than the sum of its proper divisors (1).

354345049 is an equidigital number, since it uses as much as digits as its factorization.

354345049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 354345049 is about 18824.0550626054. The cubic root of 354345049 is about 707.6341600269.

The spelling of 354345049 in words is "three hundred fifty-four million, three hundred forty-five thousand, forty-nine".