Search a number
-
+
18949352 = 2310332293
BaseRepresentation
bin100100001001…
…0010011101000
31022122201121212
41020102103220
514322334402
61514052252
7320031632
oct110222350
938581555
1018949352
11a772a24
12641a088
133c06146
142733a52
1519e4952
hex12124e8

18949352 has 16 divisors (see below), whose sum is σ = 35579940. Its totient is φ = 9461376.

The previous prime is 18949351. The next prime is 18949361. The reversal of 18949352 is 25394981.

It can be written as a sum of positive squares in 2 ways, for example, as 18267076 + 682276 = 4274^2 + 826^2 .

It is not an unprimeable number, because it can be changed into a prime (18949351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7118 + ... + 9410.

Almost surely, 218949352 is an apocalyptic number.

It is an amenable number.

18949352 is a deficient number, since it is larger than the sum of its proper divisors (16630588).

18949352 is a wasteful number, since it uses less digits than its factorization.

18949352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332 (or 3328 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 18949352 is about 4353.0853426047. The cubic root of 18949352 is about 266.6028500069.

The spelling of 18949352 in words is "eighteen million, nine hundred forty-nine thousand, three hundred fifty-two".

Divisors: 1 2 4 8 1033 2066 2293 4132 4586 8264 9172 18344 2368669 4737338 9474676 18949352