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8125061 = 71637121
BaseRepresentation
bin11110111111101010000101
3120021210111012
4132333222011
54040000221
6450052005
7126030140
oct36775205
916253435
108125061
11464a52a
12287a005
1318b6339
141117057
15aa765b
hex7bfa85

8125061 has 8 divisors (see below), whose sum is σ = 9344064. Its totient is φ = 6920640.

The previous prime is 8125037. The next prime is 8125081. The reversal of 8125061 is 1605218.

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-8125061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8125021) 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, 2420 + ... + 4701.

It is an arithmetic number, because the mean of its divisors is an integer number (1168008).

Almost surely, 28125061 is an apocalyptic number.

It is an amenable number.

8125061 is a deficient number, since it is larger than the sum of its proper divisors (1219003).

8125061 is a wasteful number, since it uses less digits than its factorization.

8125061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7291.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 8125061 is about 2850.4492628356. The cubic root of 8125061 is about 201.0367910344.

The spelling of 8125061 in words is "eight million, one hundred twenty-five thousand, sixty-one".

Divisors: 1 7 163 1141 7121 49847 1160723 8125061