Search a number
-
+
192249668 = 221321716729
BaseRepresentation
bin10110111010101…
…11111101000100
3111101202021222002
423131113331010
5343203442133
631024324432
74523044442
oct1335277504
9441667862
10192249668
119957a026
1254473718
1330aa2700
141b765b92
1511d27ce8
hexb757f44

192249668 has 36 divisors (see below), whose sum is σ = 385760340. Its totient is φ = 83506176.

The previous prime is 192249653. The next prime is 192249691. The reversal of 192249668 is 866942291.

It can be written as a sum of positive squares in 6 ways, for example, as 5161984 + 187087684 = 2272^2 + 13678^2 .

It is a super-2 number, since 2×1922496682 = 73919869692220448, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3128 + ... + 19856.

It is an arithmetic number, because the mean of its divisors is an integer number (10715565).

Almost surely, 2192249668 is an apocalyptic number.

It is an amenable number.

192249668 is an abundant number, since it is smaller than the sum of its proper divisors (193510672).

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

192249668 is a wasteful number, since it uses less digits than its factorization.

192249668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16776 (or 16761 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 192249668 is about 13865.4126516307. The cubic root of 192249668 is about 577.1497778449.

The spelling of 192249668 in words is "one hundred ninety-two million, two hundred forty-nine thousand, six hundred sixty-eight".

Divisors: 1 2 4 13 17 26 34 52 68 169 221 338 442 676 884 2873 5746 11492 16729 33458 66916 217477 284393 434954 568786 869908 1137572 2827201 3697109 5654402 7394218 11308804 14788436 48062417 96124834 192249668