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8061945 = 352292347
BaseRepresentation
bin11110110000001111111001
3120011120220120
4132300033321
54030440240
6444443453
7125345133
oct36601771
916146816
108061945
114607071
122849589
1318936a8
1410dc053
15a93ad0
hex7b03f9

8061945 has 16 divisors (see below), whose sum is σ = 12960960. Its totient is φ = 4279104.

The previous prime is 8061931. The next prime is 8061997. The reversal of 8061945 is 5491608.

8061945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8061945 - 24 = 8061929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2262 + ... + 4608.

It is an arithmetic number, because the mean of its divisors is an integer number (810060).

Almost surely, 28061945 is an apocalyptic number.

It is an amenable number.

8061945 is a deficient number, since it is larger than the sum of its proper divisors (4899015).

8061945 is a wasteful number, since it uses less digits than its factorization.

8061945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 8061945 is about 2839.3564411676. The cubic root of 8061945 is about 200.5148816801.

The spelling of 8061945 in words is "eight million, sixty-one thousand, nine hundred forty-five".

Divisors: 1 3 5 15 229 687 1145 2347 3435 7041 11735 35205 537463 1612389 2687315 8061945