[go: up one dir, main page]

Search a number
-
+
21134258 = 224734273
BaseRepresentation
bin101000010011…
…1101110110010
31110202201202022
41100213232302
520402244013
62032551442
7344431625
oct120475662
943681668
1021134258
1110a25532
1270b2582
1344bc7a2
142b41dbc
151cc7008
hex1427bb2

21134258 has 8 divisors (see below), whose sum is σ = 31721628. Its totient is φ = 10560384.

The previous prime is 21134249. The next prime is 21134273. The reversal of 21134258 is 85243112.

It can be written as a sum of positive squares in 2 ways, for example, as 21132409 + 1849 = 4597^2 + 43^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×211342582 = 893313722421128, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2810 + ... + 7082.

Almost surely, 221134258 is an apocalyptic number.

21134258 is a deficient number, since it is larger than the sum of its proper divisors (10587370).

21134258 is a wasteful number, since it uses less digits than its factorization.

21134258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6748.

The product of its digits is 1920, while the sum is 26.

The square root of 21134258 is about 4597.2011050203. The cubic root of 21134258 is about 276.4791177425.

The spelling of 21134258 in words is "twenty-one million, one hundred thirty-four thousand, two hundred fifty-eight".

Divisors: 1 2 2473 4273 4946 8546 10567129 21134258