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125840054 = 2197319391
BaseRepresentation
bin1111000000000…
…10101010110110
322202210100002202
413200002222312
5224203340204
620253104502
73055423424
oct740025266
9282710082
10125840054
116504054a
1236188132
13200c0192
14129da114
15b0aae1e
hex7802ab6

125840054 has 8 divisors (see below), whose sum is σ = 189718848. Its totient is φ = 62600440.

The previous prime is 125840051. The next prime is 125840063. The reversal of 125840054 is 450048521.

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

It is a junction number, because it is equal to n+sod(n) for n = 125839999 and 125840026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125840051) 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, 159302 + ... + 160089.

It is an arithmetic number, because the mean of its divisors is an integer number (23714856).

Almost surely, 2125840054 is an apocalyptic number.

125840054 is a deficient number, since it is larger than the sum of its proper divisors (63878794).

125840054 is a wasteful number, since it uses less digits than its factorization.

125840054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319590.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 125840054 is about 11217.8453367837. The cubic root of 125840054 is about 501.1175722037.

Adding to 125840054 its reverse (450048521), we get a palindrome (575888575).

The spelling of 125840054 in words is "one hundred twenty-five million, eight hundred forty thousand, fifty-four".

Divisors: 1 2 197 394 319391 638782 62920027 125840054