Search a number
-
+
620773075 = 52131910071
BaseRepresentation
bin100101000000000…
…011111011010011
31121021002112120101
4211000003323103
52232404214300
6141333153231
721245325016
oct4500037323
91537075511
10620773075
11299456aaa
12153a8b817
139b7bcb60
145c63337d
1539772b6a
hex25003ed3

620773075 has 12 divisors (see below), whose sum is σ = 828971248. Its totient is φ = 458416800.

The previous prime is 620773067. The next prime is 620773091. The reversal of 620773075 is 570377026.

It is not a de Polignac number, because 620773075 - 23 = 620773067 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 954711 + ... + 955360.

Almost surely, 2620773075 is an apocalyptic number.

620773075 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

620773075 is a deficient number, since it is larger than the sum of its proper divisors (208198173).

620773075 is a wasteful number, since it uses less digits than its factorization.

620773075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910094 (or 1910089 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 620773075 is about 24915.3180794466. The cubic root of 620773075 is about 853.0561610831.

The spelling of 620773075 in words is "six hundred twenty million, seven hundred seventy-three thousand, seventy-five".

Divisors: 1 5 13 25 65 325 1910071 9550355 24830923 47751775 124154615 620773075