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105561434 = 21114932203
BaseRepresentation
bin1100100101010…
…11110101011010
321100122002001202
412102223311122
5204010431214
614250314202
72421154166
oct622536532
9240562052
10105561434
115464a960
122b428962
1318b3ccb4
141003bca6
1594026de
hex64abd5a

105561434 has 16 divisors (see below), whose sum is σ = 173901600. Its totient is φ = 47658960.

The previous prime is 105561433. The next prime is 105561439. The reversal of 105561434 is 434165501.

It is a happy number.

It is a super-2 number, since 2×1055614342 = 22286432696272712, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 105561397 and 105561406.

It is not an unprimeable number, because it can be changed into a prime (105561433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12824 + ... + 19379.

It is an arithmetic number, because the mean of its divisors is an integer number (10868850).

Almost surely, 2105561434 is an apocalyptic number.

105561434 is a deficient number, since it is larger than the sum of its proper divisors (68340166).

105561434 is a wasteful number, since it uses less digits than its factorization.

105561434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32365.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 105561434 is about 10274.3094171823. The cubic root of 105561434 is about 472.6087526236.

The spelling of 105561434 in words is "one hundred five million, five hundred sixty-one thousand, four hundred thirty-four".

Divisors: 1 2 11 22 149 298 1639 3278 32203 64406 354233 708466 4798247 9596494 52780717 105561434