Search a number
-
+
858053 = 7122579
BaseRepresentation
bin11010001011111000101
31121121000202
43101133011
5204424203
630220245
710202420
oct3213705
91547022
10858053
11536739
12354685
13240731
141849b7
1511e388
hexd17c5

858053 has 4 divisors (see below), whose sum is σ = 980640. Its totient is φ = 735468.

The previous prime is 858043. The next prime is 858073. The reversal of 858053 is 350858.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 858053 - 210 = 857029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (858043) 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 3 ways as a sum of consecutive naturals, for example, 61283 + ... + 61296.

It is an arithmetic number, because the mean of its divisors is an integer number (245160).

2858053 is an apocalyptic number.

It is an amenable number.

858053 is a deficient number, since it is larger than the sum of its proper divisors (122587).

858053 is a wasteful number, since it uses less digits than its factorization.

858053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122586.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 858053 is about 926.3115026815. The cubic root of 858053 is about 95.0250349533.

The spelling of 858053 in words is "eight hundred fifty-eight thousand, fifty-three".

Divisors: 1 7 122579 858053