Search a number
-
+
213841892 = 22114860043
BaseRepresentation
bin11001011111011…
…11011111100100
3112220101021221002
430233233133210
5414220420032
633115212432
75204424515
oct1457573744
9486337832
10213841892
11aa787640
125b747118
13353c2784
1420586a0c
1513b90862
hexcbef7e4

213841892 has 12 divisors (see below), whose sum is σ = 408243696. Its totient is φ = 97200840.

The previous prime is 213841871. The next prime is 213841921. The reversal of 213841892 is 298148312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2429978 + ... + 2430065.

It is an arithmetic number, because the mean of its divisors is an integer number (34020308).

Almost surely, 2213841892 is an apocalyptic number.

213841892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213841892 is a deficient number, since it is larger than the sum of its proper divisors (194401804).

213841892 is a wasteful number, since it uses less digits than its factorization.

213841892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860058 (or 4860056 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 213841892 is about 14623.3338196186. Note that the first 3 decimals coincide. The cubic root of 213841892 is about 597.9950596714.

The spelling of 213841892 in words is "two hundred thirteen million, eight hundred forty-one thousand, eight hundred ninety-two".

Divisors: 1 2 4 11 22 44 4860043 9720086 19440172 53460473 106920946 213841892