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1906061 = 19432333
BaseRepresentation
bin111010001010110001101
310120211121212
413101112031
5441443221
6104504205
722126013
oct7212615
93524555
101906061
111092063
1277b065
13519761
143788b3
15279b5b
hex1d158d

1906061 has 8 divisors (see below), whose sum is σ = 2053920. Its totient is φ = 1762992.

The previous prime is 1906043. The next prime is 1906063. The reversal of 1906061 is 1606091.

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 1906061 - 214 = 1889677 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 (1906063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350 + ... + 1983.

It is an arithmetic number, because the mean of its divisors is an integer number (256740).

21906061 is an apocalyptic number.

It is an amenable number.

1906061 is a deficient number, since it is larger than the sum of its proper divisors (147859).

1906061 is a wasteful number, since it uses less digits than its factorization.

1906061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1906061 is about 1380.6016804278. The cubic root of 1906061 is about 123.9877936302.

The spelling of 1906061 in words is "one million, nine hundred six thousand, sixty-one".

Divisors: 1 19 43 817 2333 44327 100319 1906061