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125428206 = 2320904701
BaseRepresentation
bin1110111100111…
…10000111101110
322202000102011010
413132132013232
5224102200311
620240210050
73052056621
oct736360756
9282012133
10125428206
116488a082
1236009926
131cca7897
141292ddb8
15b028da6
hex779e1ee

125428206 has 8 divisors (see below), whose sum is σ = 250856424. Its totient is φ = 41809400.

The previous prime is 125428183. The next prime is 125428207. The reversal of 125428206 is 602824521.

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

125428206 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125428207) 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, 10452345 + ... + 10452356.

It is an arithmetic number, because the mean of its divisors is an integer number (31357053).

Almost surely, 2125428206 is an apocalyptic number.

125428206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125428206 is a wasteful number, since it uses less digits than its factorization.

125428206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20904706.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 125428206 is about 11199.4734697663. The cubic root of 125428206 is about 500.5702906232.

The spelling of 125428206 in words is "one hundred twenty-five million, four hundred twenty-eight thousand, two hundred six".

Divisors: 1 2 3 6 20904701 41809402 62714103 125428206