Search a number
-
+
630108 = 223223761
BaseRepresentation
bin10011001110101011100
31012000100100
42121311130
5130130413
621301100
75233023
oct2316534
91160310
10630108
113a0456
12264790
13190a5b
141258ba
15c6a73
hex99d5c

630108 has 36 divisors (see below), whose sum is σ = 1664208. Its totient is φ = 200640.

The previous prime is 630107. The next prime is 630127. The reversal of 630108 is 801036.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630101) 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 11 ways as a sum of consecutive naturals, for example, 448 + ... + 1208.

It is an arithmetic number, because the mean of its divisors is an integer number (46228).

2630108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (832104).

630108 is an abundant number, since it is smaller than the sum of its proper divisors (1034100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630108 is a wasteful number, since it uses less digits than its factorization.

630108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 630108 is about 793.7934240090. The cubic root of 630108 is about 85.7310871826.

The spelling of 630108 in words is "six hundred thirty thousand, one hundred eight".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 761 828 1522 2283 3044 4566 6849 9132 13698 17503 27396 35006 52509 70012 105018 157527 210036 315054 630108