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1956041 = 2816961
BaseRepresentation
bin111011101100011001001
310200101011222
413131203021
51000043131
6105531425
722424513
oct7354311
93611158
101956041
11111666a
127a3b75
13536429
1438cbb3
1528987b
hex1dd8c9

1956041 has 4 divisors (see below), whose sum is σ = 1963284. Its totient is φ = 1948800.

The previous prime is 1956029. The next prime is 1956047. The reversal of 1956041 is 1406591.

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 1430416 + 525625 = 1196^2 + 725^2 .

It is a cyclic number.

It is not a de Polignac number, because 1956041 - 26 = 1955977 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1956041.

It is not an unprimeable number, because it can be changed into a prime (1956047) 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, 3200 + ... + 3761.

It is an arithmetic number, because the mean of its divisors is an integer number (490821).

21956041 is an apocalyptic number.

It is an amenable number.

1956041 is a deficient number, since it is larger than the sum of its proper divisors (7243).

1956041 is an equidigital number, since it uses as much as digits as its factorization.

1956041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7242.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1956041 is about 1398.5853567087. The cubic root of 1956041 is about 125.0621770670.

The spelling of 1956041 in words is "one million, nine hundred fifty-six thousand, forty-one".

Divisors: 1 281 6961 1956041