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352001423 = 834240981
BaseRepresentation
bin10100111110110…
…001110110001111
3220112100112011202
4110332301312033
51210103021143
654532340115
711502651134
oct2476616617
9815315152
10352001423
11170771974
1299a7463b
1357c07187
1434a6c58b
1520d81ab8
hex14fb1d8f

352001423 has 4 divisors (see below), whose sum is σ = 356242488. Its totient is φ = 347760360.

The previous prime is 352001417. The next prime is 352001443. The reversal of 352001423 is 324100253.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324100253 = 3111042123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-352001423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 352001395 and 352001404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352001413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2120408 + ... + 2120573.

It is an arithmetic number, because the mean of its divisors is an integer number (89060622).

Almost surely, 2352001423 is an apocalyptic number.

352001423 is a deficient number, since it is larger than the sum of its proper divisors (4241065).

352001423 is an equidigital number, since it uses as much as digits as its factorization.

352001423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241064.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 352001423 is about 18761.7009623328. The cubic root of 352001423 is about 706.0706185196.

Adding to 352001423 its reverse (324100253), we get a palindrome (676101676).

The spelling of 352001423 in words is "three hundred fifty-two million, one thousand, four hundred twenty-three".

Divisors: 1 83 4240981 352001423