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125148040 = 2353128701
BaseRepresentation
bin1110111010110…
…01101110001000
322201111011211121
413131121232020
5224014214130
620230205024
73046512043
oct735315610
9281434747
10125148040
1164708636
1235ab3774
131cc0a1c4
1412899c5a
15aec0d7a
hex7759b88

125148040 has 16 divisors (see below), whose sum is σ = 281583180. Its totient is φ = 50059200.

The previous prime is 125148019. The next prime is 125148073. The reversal of 125148040 is 40841521.

It can be written as a sum of positive squares in 2 ways, for example, as 102050404 + 23097636 = 10102^2 + 4806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125147996 and 125148014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1564311 + ... + 1564390.

Almost surely, 2125148040 is an apocalyptic number.

125148040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125148040 is an abundant number, since it is smaller than the sum of its proper divisors (156435140).

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

125148040 is a wasteful number, since it uses less digits than its factorization.

125148040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128712 (or 3128708 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 125148040 is about 11186.9584785142. The cubic root of 125148040 is about 500.1973087949.

Adding to 125148040 its reverse (40841521), we get a palindrome (165989561).

The spelling of 125148040 in words is "one hundred twenty-five million, one hundred forty-eight thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 3128701 6257402 12514804 15643505 25029608 31287010 62574020 125148040