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125200345 = 557743397
BaseRepresentation
bin1110111011001…
…10011111011001
322201120211120211
413131212133121
5224022402340
620231251121
73050120404
oct735463731
9281524524
10125200345
1164743966
1235b19aa1
131cc27c5a
14128b0d3b
15aed15ea
hex77667d9

125200345 has 8 divisors (see below), whose sum is σ = 150504264. Its totient is φ = 99984384.

The previous prime is 125200333. The next prime is 125200373. The reversal of 125200345 is 543002521.

It can be written as a sum of positive squares in 4 ways, for example, as 78783376 + 46416969 = 8876^2 + 6813^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125200345 is a prime.

It is a super-3 number, since 3×1252003453 (a number of 25 digits) contains 333 as substring.

It is a Duffinian 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, 18814 + ... + 24583.

It is an arithmetic number, because the mean of its divisors is an integer number (18813033).

Almost surely, 2125200345 is an apocalyptic number.

It is an amenable number.

125200345 is a deficient number, since it is larger than the sum of its proper divisors (25303919).

125200345 is an equidigital number, since it uses as much as digits as its factorization.

125200345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43979.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 125200345 is about 11189.2960010896. The cubic root of 125200345 is about 500.2669840803.

Adding to 125200345 its reverse (543002521), we get a palindrome (668202866).

The spelling of 125200345 in words is "one hundred twenty-five million, two hundred thousand, three hundred forty-five".

Divisors: 1 5 577 2885 43397 216985 25040069 125200345