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8906053 = 13685081
BaseRepresentation
bin100001111110…
…010101000101
3121202110210211
4201332111011
54234443203
6514515421
7135462112
oct41762505
917673724
108906053
115033282
122b95b71
131aca970
14127b909
15badc6d
hex87e545

8906053 has 4 divisors (see below), whose sum is σ = 9591148. Its totient is φ = 8220960.

The previous prime is 8906033. The next prime is 8906071. The reversal of 8906053 is 3506098.

8906053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3506098 = 21753049.

It can be written as a sum of positive squares in 2 ways, for example, as 2765569 + 6140484 = 1663^2 + 2478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8906053 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8906033) 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, 342528 + ... + 342553.

It is an arithmetic number, because the mean of its divisors is an integer number (2397787).

Almost surely, 28906053 is an apocalyptic number.

It is an amenable number.

8906053 is a deficient number, since it is larger than the sum of its proper divisors (685095).

8906053 is a wasteful number, since it uses less digits than its factorization.

8906053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685094.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 8906053 is about 2984.3010907078. The cubic root of 8906053 is about 207.2820802123.

The spelling of 8906053 in words is "eight million, nine hundred six thousand, fifty-three".

Divisors: 1 13 685081 8906053