Search a number
-
+
629430 = 23520981
BaseRepresentation
bin10011001101010110110
31011222102020
42121222312
5130120210
621254010
75231034
oct2315266
91158366
10629430
1139a99a
12264306
13190659
14125554
15c6770
hex99ab6

629430 has 16 divisors (see below), whose sum is σ = 1510704. Its totient is φ = 167840.

The previous prime is 629429. The next prime is 629449. The reversal of 629430 is 34926.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 629430.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10461 + ... + 10520.

It is an arithmetic number, because the mean of its divisors is an integer number (94419).

2629430 is an apocalyptic number.

629430 is an abundant number, since it is smaller than the sum of its proper divisors (881274).

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

629430 is a wasteful number, since it uses less digits than its factorization.

629430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20991.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 629430 is about 793.3662458159. The cubic root of 629430 is about 85.7003270920.

The spelling of 629430 in words is "six hundred twenty-nine thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 20981 41962 62943 104905 125886 209810 314715 629430