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213315850 = 2521119137149
BaseRepresentation
bin11001011011011…
…11000100001010
3112212101120100001
430231233010022
5414102101400
633100033214
75200104046
oct1455570412
9485346301
10213315850
11aa4583a0
125b53280a
133526a1c7
142048b026
1513ad9a6a
hexcb6f10a

213315850 has 96 divisors (see below), whose sum is σ = 462024000. Its totient is φ = 72460800.

The previous prime is 213315829. The next prime is 213315877. The reversal of 213315850 is 58513312.

213315850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2133158502 = 91007303722445000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1431576 + ... + 1431724.

It is an arithmetic number, because the mean of its divisors is an integer number (4812750).

Almost surely, 2213315850 is an apocalyptic number.

213315850 is an abundant number, since it is smaller than the sum of its proper divisors (248708150).

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

213315850 is a wasteful number, since it uses less digits than its factorization.

213315850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 213315850 is about 14605.3363535387. The cubic root of 213315850 is about 597.5043095340.

The spelling of 213315850 in words is "two hundred thirteen million, three hundred fifteen thousand, eight hundred fifty".

Divisors: 1 2 5 10 11 19 22 25 38 50 55 95 110 137 149 190 209 274 275 298 418 475 550 685 745 950 1045 1370 1490 1507 1639 2090 2603 2831 3014 3278 3425 3725 5206 5225 5662 6850 7450 7535 8195 10450 13015 14155 15070 16390 20413 26030 28310 28633 31141 37675 40826 40975 57266 62282 65075 70775 75350 81950 102065 130150 141550 143165 155705 204130 224543 286330 311410 387847 449086 510325 715825 775694 778525 1020650 1122715 1431650 1557050 1939235 2245430 3878470 4266317 5613575 8532634 9696175 11227150 19392350 21331585 42663170 106657925 213315850