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352331145 = 3257829581
BaseRepresentation
bin10101000000000…
…010010110001001
3220112222021110200
4111000002112021
51210144044040
654543402413
711505523335
oct2500022611
9815867420
10352331145
11170977671
1299bb3409
1357cc128a
1434b167c5
1520de9630
hex15002589

352331145 has 12 divisors (see below), whose sum is σ = 610707396. Its totient is φ = 187909920.

The previous prime is 352331123. The next prime is 352331149. The reversal of 352331145 is 541133253.

It can be written as a sum of positive squares in 2 ways, for example, as 152843769 + 199487376 = 12363^2 + 14124^2 .

It is not a de Polignac number, because 352331145 - 27 = 352331017 is a prime.

It is a super-2 number, since 2×3523311452 = 248274471474022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (352331149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3914746 + ... + 3914835.

It is an arithmetic number, because the mean of its divisors is an integer number (50892283).

Almost surely, 2352331145 is an apocalyptic number.

It is an amenable number.

352331145 is a deficient number, since it is larger than the sum of its proper divisors (258376251).

352331145 is a wasteful number, since it uses less digits than its factorization.

352331145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7829592 (or 7829589 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 352331145 is about 18770.4860086253. The cubic root of 352331145 is about 706.2910100184.

Adding to 352331145 its reverse (541133253), we get a palindrome (893464398).

The spelling of 352331145 in words is "three hundred fifty-two million, three hundred thirty-one thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 45 7829581 23488743 39147905 70466229 117443715 352331145