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354757225 = 5237672
BaseRepresentation
bin10101001001010…
…010101001101001
3220201112112102111
4111021102221221
51211304212400
655111402321
711535246424
oct2511225151
9821475374
10354757225
11172284399
129a9833a1
1358660624
14351889bb
15212283ba
hex15252a69

354757225 has 9 divisors (see below), whose sum is σ = 440015767. Its totient is φ = 283730440.

The previous prime is 354757223. The next prime is 354757237. The reversal of 354757225 is 522757453.

The square root of 354757225 is 18835.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 127712601 + 227044624 = 11301^2 + 15068^2 .

It is not a de Polignac number, because 354757225 - 21 = 354757223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354757223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 92292 + ... + 96058.

Almost surely, 2354757225 is an apocalyptic number.

354757225 is the 18835-th square number.

354757225 is the 9418-th centered octagonal number.

It is an amenable number.

354757225 is a deficient number, since it is larger than the sum of its proper divisors (85258542).

354757225 is an frugal number, since it uses more digits than its factorization.

354757225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7544 (or 3772 counting only the distinct ones).

The product of its digits is 294000, while the sum is 40.

The cubic root of 354757225 is about 707.9084282868.

The spelling of 354757225 in words is "three hundred fifty-four million, seven hundred fifty-seven thousand, two hundred twenty-five".

Divisors: 1 5 25 3767 18835 94175 14190289 70951445 354757225