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2908061 = 13223697
BaseRepresentation
bin1011000101111110011101
312110202002222
423011332131
51221024221
6142155125
733501212
oct13057635
95422088
102908061
111706962
12b82aa5
137aa860
14559b09
153c69ab
hex2c5f9d

2908061 has 4 divisors (see below), whose sum is σ = 3131772. Its totient is φ = 2684352.

The previous prime is 2908049. The next prime is 2908063. The reversal of 2908061 is 1608092.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 931225 + 1976836 = 965^2 + 1406^2 .

It is a cyclic number.

It is not a de Polignac number, because 2908061 - 26 = 2907997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2908061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2908063) 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, 111836 + ... + 111861.

It is an arithmetic number, because the mean of its divisors is an integer number (782943).

22908061 is an apocalyptic number.

It is an amenable number.

2908061 is a deficient number, since it is larger than the sum of its proper divisors (223711).

2908061 is a wasteful number, since it uses less digits than its factorization.

2908061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223710.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 2908061 is about 1705.3037852535. The cubic root of 2908061 is about 142.7363227511.

The spelling of 2908061 in words is "two million, nine hundred eight thousand, sixty-one".

Divisors: 1 13 223697 2908061