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214373820 = 22353572897
BaseRepresentation
bin11001100011100…
…01010110111100
3112221101022121010
430301301112330
5414334430240
633134435220
75212101363
oct1461612674
9487338533
10214373820
11100010251
125b962b10
133554a91b
14206847da
1513c48280
hexcc715bc

214373820 has 24 divisors (see below), whose sum is σ = 600246864. Its totient is φ = 57166336.

The previous prime is 214373741. The next prime is 214373837. The reversal of 214373820 is 28373412.

It is a super-2 number, since 2×2143738202 = 91912269402784800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1786389 + ... + 1786508.

It is an arithmetic number, because the mean of its divisors is an integer number (25010286).

Almost surely, 2214373820 is an apocalyptic number.

214373820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214373820 is an abundant number, since it is smaller than the sum of its proper divisors (385873044).

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

214373820 is a wasteful number, since it uses less digits than its factorization.

214373820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572909 (or 3572907 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 214373820 is about 14641.5101680120. The cubic root of 214373820 is about 598.4904832278.

The spelling of 214373820 in words is "two hundred fourteen million, three hundred seventy-three thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3572897 7145794 10718691 14291588 17864485 21437382 35728970 42874764 53593455 71457940 107186910 214373820