Search a number
-
+
632420 = 225103307
BaseRepresentation
bin10011010011001100100
31012010111222
42122121210
5130214140
621315512
75242535
oct2323144
91163458
10632420
113a2168
12265b98
13191b19
1412668c
15c75b5
hex9a664

632420 has 24 divisors (see below), whose sum is σ = 1345344. Its totient is φ = 249696.

The previous prime is 632393. The next prime is 632447. The reversal of 632420 is 24236.

It is an interprime number because it is at equal distance from previous prime (632393) and next prime (632447).

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1907 + ... + 2213.

It is an arithmetic number, because the mean of its divisors is an integer number (56056).

2632420 is an apocalyptic number.

It is an amenable number.

632420 is an abundant number, since it is smaller than the sum of its proper divisors (712924).

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

632420 is a wasteful number, since it uses less digits than its factorization.

632420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 632420 is about 795.2483888698. The cubic root of 632420 is about 85.8358143835.

Adding to 632420 its reverse (24236), we get a palindrome (656656).

The spelling of 632420 in words is "six hundred thirty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 103 206 307 412 515 614 1030 1228 1535 2060 3070 6140 31621 63242 126484 158105 316210 632420