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105218288 = 2472134207
BaseRepresentation
bin1100100010110…
…00000011110000
321022222122100122
412101120003300
5203413441123
614235105412
72415224600
oct621300360
9238878318
10105218288
115443606a
122b2a2268
1318a4ca56
14dd8cc00
159385bc8
hex64580f0

105218288 has 30 divisors (see below), whose sum is σ = 237145536. Its totient is φ = 45093216.

The previous prime is 105218263. The next prime is 105218297. The reversal of 105218288 is 882812501.

It is a super-2 number, since 2×1052182882 = 22141776259301888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66320 + ... + 67887.

Almost surely, 2105218288 is an apocalyptic number.

It is an amenable number.

105218288 is an abundant number, since it is smaller than the sum of its proper divisors (131927248).

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

105218288 is a wasteful number, since it uses less digits than its factorization.

105218288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134229 (or 134216 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 35.

The square root of 105218288 is about 10257.5965995939. The cubic root of 105218288 is about 472.0960974498.

The spelling of 105218288 in words is "one hundred five million, two hundred eighteen thousand, two hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 134207 268414 536828 939449 1073656 1878898 2147312 3757796 6576143 7515592 13152286 15031184 26304572 52609144 105218288