Search a number
-
+
663356190 = 23573158839
BaseRepresentation
bin100111100010100…
…000001100011110
31201020012222121210
4213202200030132
52324304344230
6145454005250
722303302030
oct4742401436
91636188553
10663356190
113104a1362
121661a6826
13a757c373
1464159c50
153d384eb0
hex278a031e

663356190 has 32 divisors (see below), whose sum is σ = 1819491840. Its totient is φ = 151624224.

The previous prime is 663356173. The next prime is 663356203. The reversal of 663356190 is 91653366.

It is a super-2 number, since 2×6633561902 = 880082869622632200, which contains 22 as substring.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 1579210 + ... + 1579629.

It is an arithmetic number, because the mean of its divisors is an integer number (56859120).

Almost surely, 2663356190 is an apocalyptic number.

663356190 is an abundant number, since it is smaller than the sum of its proper divisors (1156135650).

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

663356190 is a wasteful number, since it uses less digits than its factorization.

663356190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158856.

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 663356190 is about 25755.7020871107. The cubic root of 663356190 is about 872.1320807911.

The spelling of 663356190 in words is "six hundred sixty-three million, three hundred fifty-six thousand, one hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 3158839 6317678 9476517 15794195 18953034 22111873 31588390 44223746 47382585 66335619 94765170 110559365 132671238 221118730 331678095 663356190