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211154104 = 23729130021
BaseRepresentation
bin11001001010111…
…11010010111000
3112201022201222101
430211133102320
5413023412404
632541433144
75142531430
oct1445372270
9481281871
10211154104
11a9211227
125a86b7b4
1334991275
14200872c0
151380e2a4
hexc95f4b8

211154104 has 32 divisors (see below), whose sum is σ = 468079200. Its totient is φ = 87373440.

The previous prime is 211154081. The next prime is 211154131. The reversal of 211154104 is 401451112.

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, 63387 + ... + 66634.

It is an arithmetic number, because the mean of its divisors is an integer number (14627475).

Almost surely, 2211154104 is an apocalyptic number.

It is an amenable number.

211154104 is an abundant number, since it is smaller than the sum of its proper divisors (256925096).

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

211154104 is a wasteful number, since it uses less digits than its factorization.

211154104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130063 (or 130059 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 211154104 is about 14531.1425565920. The cubic root of 211154104 is about 595.4790802915.

The spelling of 211154104 in words is "two hundred eleven million, one hundred fifty-four thousand, one hundred four".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 203 232 406 812 1624 130021 260042 520084 910147 1040168 1820294 3640588 3770609 7281176 7541218 15082436 26394263 30164872 52788526 105577052 211154104