Search a number
-
+
690033 = 3673433
BaseRepresentation
bin10101000011101110001
31022001112210
42220131301
5134040113
622442333
75602521
oct2503561
91261483
10690033
11431483
122933a9
131b2106
1413d681
15d96c3
hexa8771

690033 has 8 divisors (see below), whose sum is σ = 934048. Its totient is φ = 453024.

The previous prime is 689987. The next prime is 690037. The reversal of 690033 is 330096.

690033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 690033 - 213 = 681841 is a prime.

It is a super-2 number, since 2×6900332 = 952291082178, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 689991 and 690009.

It is not an unprimeable number, because it can be changed into a prime (690037) 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, 1516 + ... + 1917.

It is an arithmetic number, because the mean of its divisors is an integer number (116756).

2690033 is an apocalyptic number.

It is an amenable number.

690033 is a deficient number, since it is larger than the sum of its proper divisors (244015).

690033 is a wasteful number, since it uses less digits than its factorization.

690033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 690033 is about 830.6822497201. The cubic root of 690033 is about 88.3669679279.

It can be divided in two parts, 69003 and 3, that added together give a triangular number (69006 = T371).

The spelling of 690033 in words is "six hundred ninety thousand, thirty-three".

Divisors: 1 3 67 201 3433 10299 230011 690033