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105729774 = 2317621629
BaseRepresentation
bin1100100110101…
…00111011101110
321100221121222120
412103110323232
5204031323044
614254053410
72422455033
oct623247356
9240847876
10105729774
1154755387
122b4aa266
1318b9b7c7
141008338a
159437519
hex64d4eee

105729774 has 8 divisors (see below), whose sum is σ = 211459560. Its totient is φ = 35243256.

The previous prime is 105729773. The next prime is 105729797. The reversal of 105729774 is 477927501.

It is a sphenic number, since it is the product of 3 distinct primes.

105729774 is an admirable number.

It is a super-2 number, since 2×1057297742 = 22357570220182152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105729773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8810809 + ... + 8810820.

It is an arithmetic number, because the mean of its divisors is an integer number (26432445).

Almost surely, 2105729774 is an apocalyptic number.

105729774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

105729774 is a wasteful number, since it uses less digits than its factorization.

105729774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17621634.

The product of its (nonzero) digits is 123480, while the sum is 42.

The square root of 105729774 is about 10282.4984318015. The cubic root of 105729774 is about 472.8598440201.

The spelling of 105729774 in words is "one hundred five million, seven hundred twenty-nine thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 17621629 35243258 52864887 105729774