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352520345 = 5131538199
BaseRepresentation
bin10101000000110…
…000100010011001
3220120022220000002
4111000300202121
51210221122340
654551422345
711510242052
oct2500604231
9816286002
10352520345
11170a96831
129a0849b5
1358059428
1434b65729
1520e35715
hex15030899

352520345 has 8 divisors (see below), whose sum is σ = 426254400. Its totient is φ = 279862960.

The previous prime is 352520327. The next prime is 352520353. The reversal of 352520345 is 543025253.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 352520345 - 226 = 285411481 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268445 + ... + 269754.

It is an arithmetic number, because the mean of its divisors is an integer number (53281800).

Almost surely, 2352520345 is an apocalyptic number.

It is an amenable number.

352520345 is a deficient number, since it is larger than the sum of its proper divisors (73734055).

352520345 is a wasteful number, since it uses less digits than its factorization.

352520345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538335.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 352520345 is about 18775.5251591001. The cubic root of 352520345 is about 706.4174122668.

Adding to 352520345 its reverse (543025253), we get a palindrome (895545598).

The spelling of 352520345 in words is "three hundred fifty-two million, five hundred twenty thousand, three hundred forty-five".

Divisors: 1 5 131 655 538199 2690995 70504069 352520345