Search a number
-
+
620930466 = 232132653549
BaseRepresentation
bin100101000000101…
…010010110100010
31121021101112110200
4211000222112202
52232424233331
6141340410030
721246551622
oct4500522642
91537345420
10620930466
11299554282
12153b46916
139b8466a0
145c674882
15397a45e6
hex2502a5a2

620930466 has 24 divisors (see below), whose sum is σ = 1448838300. Its totient is φ = 191055456.

The previous prime is 620930461. The next prime is 620930467. The reversal of 620930466 is 664039026.

It can be written as a sum of positive squares in 2 ways, for example, as 494840025 + 126090441 = 22245^2 + 11229^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 620930466.

It is not an unprimeable number, because it can be changed into a prime (620930461) 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, 1326541 + ... + 1327008.

Almost surely, 2620930466 is an apocalyptic number.

620930466 is an abundant number, since it is smaller than the sum of its proper divisors (827907834).

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

620930466 is a wasteful number, since it uses less digits than its factorization.

620930466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653570 (or 2653567 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 620930466 is about 24918.4763980465. The cubic root of 620930466 is about 853.1282496998.

The spelling of 620930466 in words is "six hundred twenty million, nine hundred thirty thousand, four hundred sixty-six".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 2653549 5307098 7960647 15921294 23881941 34496137 47763882 68992274 103488411 206976822 310465233 620930466