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352444431 = 3127925051
BaseRepresentation
bin10101000000011…
…110000000001111
3220120012000212110
4111000132000033
51210211210211
654550035103
711506504533
oct2500360017
9816160773
10352444431
11170a44799
129a048a93
1358030a01
1434b45bc3
1520e1cea6
hex1501e00f

352444431 has 8 divisors (see below), whose sum is σ = 473626624. Its totient is φ = 233112600.

The previous prime is 352444409. The next prime is 352444439. The reversal of 352444431 is 134444253.

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

It is not a de Polignac number, because 352444431 - 27 = 352444303 is a prime.

It is a super-2 number, since 2×3524444312 = 248434153885827522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352444439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462145 + ... + 462906.

It is an arithmetic number, because the mean of its divisors is an integer number (59203328).

Almost surely, 2352444431 is an apocalyptic number.

352444431 is a deficient number, since it is larger than the sum of its proper divisors (121182193).

352444431 is a wasteful number, since it uses less digits than its factorization.

352444431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925181.

The product of its digits is 23040, while the sum is 30.

The square root of 352444431 is about 18773.5034290353. The cubic root of 352444431 is about 706.3667004690.

Adding to 352444431 its reverse (134444253), we get a palindrome (486888684).

The spelling of 352444431 in words is "three hundred fifty-two million, four hundred forty-four thousand, four hundred thirty-one".

Divisors: 1 3 127 381 925051 2775153 117481477 352444431