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125231641 = 1947140237
BaseRepresentation
bin1110111011011…
…10001000011001
322201122102111221
413131232020121
5224024403031
620232052041
73050310553
oct735561031
9281572457
10125231641
1164765427
1235b34021
131cc39282
14128bc4d3
15aedaa11
hex776e219

125231641 has 8 divisors (see below), whose sum is σ = 134628480. Its totient is φ = 116115408.

The previous prime is 125231621. The next prime is 125231663. The reversal of 125231641 is 146132521.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 125231641 - 215 = 125198873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125231611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69226 + ... + 71011.

It is an arithmetic number, because the mean of its divisors is an integer number (16828560).

Almost surely, 2125231641 is an apocalyptic number.

It is an amenable number.

125231641 is a deficient number, since it is larger than the sum of its proper divisors (9396839).

125231641 is a wasteful number, since it uses less digits than its factorization.

125231641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140303.

The product of its digits is 1440, while the sum is 25.

The square root of 125231641 is about 11190.6943931107. The cubic root of 125231641 is about 500.3086640804.

The spelling of 125231641 in words is "one hundred twenty-five million, two hundred thirty-one thousand, six hundred forty-one".

Divisors: 1 19 47 893 140237 2664503 6591139 125231641