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211452054 = 231131103349
BaseRepresentation
bin11001001101010…
…00000010010110
3112201212212200120
430212220002112
5413112431204
632552052410
75145212202
oct1446500226
9481785616
10211452054
11a93a5070
125a994106
1334a66a78
1420123b02
151386c6d9
hexc9a8096

211452054 has 32 divisors (see below), whose sum is σ = 476236800. Its totient is φ = 62008800.

The previous prime is 211452029. The next prime is 211452071. The reversal of 211452054 is 450254112.

It is a super-2 number, since 2×2114520542 = 89423942281637832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49629 + ... + 53720.

It is an arithmetic number, because the mean of its divisors is an integer number (14882400).

Almost surely, 2211452054 is an apocalyptic number.

211452054 is an abundant number, since it is smaller than the sum of its proper divisors (264784746).

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

211452054 is a wasteful number, since it uses less digits than its factorization.

211452054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103396.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 211452054 is about 14541.3910613806. The cubic root of 211452054 is about 595.7590331833.

The spelling of 211452054 in words is "two hundred eleven million, four hundred fifty-two thousand, fifty-four".

Divisors: 1 2 3 6 11 22 31 33 62 66 93 186 341 682 1023 2046 103349 206698 310047 620094 1136839 2273678 3203819 3410517 6407638 6821034 9611457 19222914 35242009 70484018 105726027 211452054