Search a number
-
+
631030 = 2563103
BaseRepresentation
bin10011010000011110110
31012001121111
42122003312
5130143110
621305234
75235511
oct2320366
91161544
10631030
113a1114
1226521a
131912ba
14125d78
15c6e8a
hex9a0f6

631030 has 8 divisors (see below), whose sum is σ = 1135872. Its totient is φ = 252408.

The previous prime is 631013. The next prime is 631039. The reversal of 631030 is 30136.

631030 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 a self number, because there is not a number n which added to its sum of digits gives 631030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631039) 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, 31542 + ... + 31561.

It is an arithmetic number, because the mean of its divisors is an integer number (141984).

2631030 is an apocalyptic number.

631030 is a deficient number, since it is larger than the sum of its proper divisors (504842).

631030 is a wasteful number, since it uses less digits than its factorization.

631030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63110.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 631030 is about 794.3739673479. The cubic root of 631030 is about 85.7728818909.

Adding to 631030 its reverse (30136), we get a palindrome (661166).

The spelling of 631030 in words is "six hundred thirty-one thousand, thirty".

Divisors: 1 2 5 10 63103 126206 315515 631030