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214955018 = 219291311489
BaseRepresentation
bin11001100111111…
…11010000001010
3112222110211211222
430303333100022
5420012030033
633155122042
75220042005
oct1463772012
9488424758
10214955018
11100377983
125bba3322
13356c2325
142079653c
1513d10598
hexccff40a

214955018 has 32 divisors (see below), whose sum is σ = 354024000. Its totient is φ = 97493760.

The previous prime is 214955011. The next prime is 214955071. The reversal of 214955018 is 810559412.

It is not an unprimeable number, because it can be changed into a prime (214955011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143618 + ... + 145106.

It is an arithmetic number, because the mean of its divisors is an integer number (11063250).

Almost surely, 2214955018 is an apocalyptic number.

214955018 is a deficient number, since it is larger than the sum of its proper divisors (139068982).

214955018 is a wasteful number, since it uses less digits than its factorization.

214955018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 214955018 is about 14661.3443449092. The cubic root of 214955018 is about 599.0308595281.

The spelling of 214955018 in words is "two hundred fourteen million, nine hundred fifty-five thousand, eighteen".

Divisors: 1 2 19 29 38 58 131 262 551 1102 1489 2489 2978 3799 4978 7598 28291 43181 56582 72181 86362 144362 195059 390118 820439 1640878 3706121 5656711 7412242 11313422 107477509 214955018