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350643125 = 54780147
BaseRepresentation
bin10100111001100…
…110001110110101
3220102210111221102
4110321212032311
51204231040000
654443255445
711455263110
oct2471461665
9812714842
10350643125
1116aa24408
129951a585
135784cb51
14347d7577
1520bb43d5
hex14e663b5

350643125 has 20 divisors (see below), whose sum is σ = 500764704. Its totient is φ = 240438000.

The previous prime is 350643109. The next prime is 350643151. The reversal of 350643125 is 521346053.

It is not a de Polignac number, because 350643125 - 24 = 350643109 is a prime.

It is a super-2 number, since 2×3506431252 = 245901202219531250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35699 + ... + 44448.

Almost surely, 2350643125 is an apocalyptic number.

350643125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

350643125 is a deficient number, since it is larger than the sum of its proper divisors (150121579).

350643125 is an frugal number, since it uses more digits than its factorization.

350643125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80174 (or 80159 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 350643125 is about 18725.4672838891. The cubic root of 350643125 is about 705.1612561396.

Adding to 350643125 its reverse (521346053), we get a palindrome (871989178).

The spelling of 350643125 in words is "three hundred fifty million, six hundred forty-three thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 125 175 625 875 4375 80147 400735 561029 2003675 2805145 10018375 14025725 50091875 70128625 350643125