Search a number
-
+
662993490 = 235103214561
BaseRepresentation
bin100111100001000…
…111101001010010
31201012112120002110
4213201013221102
52324211242430
6145442130150
722300231425
oct4741075122
91635476073
10662993490
11310273905
12166050956
13a7483253
14640a39bc
153d3127b0
hex27847a52

662993490 has 32 divisors (see below), whose sum is σ = 1606640256. Its totient is φ = 175080960.

The previous prime is 662993477. The next prime is 662993501. The reversal of 662993490 is 94399266.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104191 + ... + 110370.

It is an arithmetic number, because the mean of its divisors is an integer number (50207508).

Almost surely, 2662993490 is an apocalyptic number.

662993490 is an abundant number, since it is smaller than the sum of its proper divisors (943646766).

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

662993490 is a wasteful number, since it uses less digits than its factorization.

662993490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214674.

The product of its (nonzero) digits is 629856, while the sum is 48.

The square root of 662993490 is about 25748.6599651322. The cubic root of 662993490 is about 871.9731013572.

The spelling of 662993490 in words is "six hundred sixty-two million, nine hundred ninety-three thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 103 206 309 515 618 1030 1545 3090 214561 429122 643683 1072805 1287366 2145610 3218415 6436830 22099783 44199566 66299349 110498915 132598698 220997830 331496745 662993490