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352668469 = 1073295967
BaseRepresentation
bin10101000001010…
…100101100110101
3220120121102012011
4111001110230311
51210240342334
654554524221
711511426646
oct2501245465
9816542164
10352668469
1117108804a
129a136671
13580ab98a
1434ba36cd
1520e64564
hex15054b35

352668469 has 4 divisors (see below), whose sum is σ = 355964544. Its totient is φ = 349372396.

The previous prime is 352668461. The next prime is 352668487. The reversal of 352668469 is 964866253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 964866253 = 1374220481.

It is a cyclic number.

It is not a de Polignac number, because 352668469 - 23 = 352668461 is a prime.

It is a super-2 number, since 2×3526684692 = 248750098053607922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352668461) 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 3 ways as a sum of consecutive naturals, for example, 1647877 + ... + 1648090.

It is an arithmetic number, because the mean of its divisors is an integer number (88991136).

Almost surely, 2352668469 is an apocalyptic number.

It is an amenable number.

352668469 is a deficient number, since it is larger than the sum of its proper divisors (3296075).

352668469 is a wasteful number, since it uses less digits than its factorization.

352668469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296074.

The product of its digits is 1866240, while the sum is 49.

The square root of 352668469 is about 18779.4693482004. The cubic root of 352668469 is about 706.5163405716.

The spelling of 352668469 in words is "three hundred fifty-two million, six hundred sixty-eight thousand, four hundred sixty-nine".

Divisors: 1 107 3295967 352668469