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105261430 = 2531834091
BaseRepresentation
bin1100100011000…
…10100101110110
321100001211112111
412101202211312
5203421331210
614240041234
72415464431
oct621424566
9240054474
10105261430
115446551a
122b30321a
1318a66591
14dda0818
15939388a
hex6462976

105261430 has 32 divisors (see below), whose sum is σ = 197987328. Its totient is φ = 40245600.

The previous prime is 105261419. The next prime is 105261451. The reversal of 105261430 is 34162501.

It is a super-2 number, since 2×1052614302 = 22159937291289800, 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23685 + ... + 27775.

It is an arithmetic number, because the mean of its divisors is an integer number (6187104).

Almost surely, 2105261430 is an apocalyptic number.

105261430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105261430 is a deficient number, since it is larger than the sum of its proper divisors (92725898).

105261430 is a wasteful number, since it uses less digits than its factorization.

105261430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 105261430 is about 10259.6993133327. The cubic root of 105261430 is about 472.1606121749.

The spelling of 105261430 in words is "one hundred five million, two hundred sixty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 31 62 83 155 166 310 415 830 2573 4091 5146 8182 12865 20455 25730 40910 126821 253642 339553 634105 679106 1268210 1697765 3395530 10526143 21052286 52630715 105261430