Search a number
-
+
1057055 = 51631297
BaseRepresentation
bin100000010000100011111
31222201000012
410002010133
5232311210
634353435
711661536
oct4020437
91881005
101057055
116621aa
1242b87b
132b019c
141d731d
1515d305
hex10211f

1057055 has 8 divisors (see below), whose sum is σ = 1277232. Its totient is φ = 839808.

The previous prime is 1057051. The next prime is 1057087. The reversal of 1057055 is 5507501.

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 1057055 - 22 = 1057051 is a prime.

It is a super-2 number, since 2×10570552 = 2234730546050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1057055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057051) 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, 167 + ... + 1463.

It is an arithmetic number, because the mean of its divisors is an integer number (159654).

21057055 is an apocalyptic number.

1057055 is a deficient number, since it is larger than the sum of its proper divisors (220177).

1057055 is a wasteful number, since it uses less digits than its factorization.

1057055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465.

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 1057055 is about 1028.1318008894. The cubic root of 1057055 is about 101.8667682510.

The spelling of 1057055 in words is "one million, fifty-seven thousand, fifty-five".

Divisors: 1 5 163 815 1297 6485 211411 1057055