Search a number
-
+
19077284 = 2210147221
BaseRepresentation
bin100100011000…
…1100010100100
31022220020010002
41020301202210
514340433114
61520520432
7321103622
oct110614244
938806102
1019077284
11a850056
126480118
133c4c445
142768512
151a1c7de
hex12318a4

19077284 has 12 divisors (see below), whose sum is σ = 33716508. Its totient is φ = 9444000.

The previous prime is 19077277. The next prime is 19077293. The reversal of 19077284 is 48277091.

It can be written as a sum of positive squares in 2 ways, for example, as 12054784 + 7022500 = 3472^2 + 2650^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23207 + ... + 24014.

It is an arithmetic number, because the mean of its divisors is an integer number (2809709).

Almost surely, 219077284 is an apocalyptic number.

It is an amenable number.

19077284 is a deficient number, since it is larger than the sum of its proper divisors (14639224).

19077284 is a wasteful number, since it uses less digits than its factorization.

19077284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47326 (or 47324 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 19077284 is about 4367.7550297607. The cubic root of 19077284 is about 267.2014732430.

The spelling of 19077284 in words is "nineteen million, seventy-seven thousand, two hundred eighty-four".

Divisors: 1 2 4 101 202 404 47221 94442 188884 4769321 9538642 19077284