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105743040 = 26351337229
BaseRepresentation
bin1100100110110…
…00001011000000
321100222022011220
412103120023000
5204032234130
614254235040
72422541514
oct623301300
9240868156
10105743040
1154764347
122b4b5a80
1318ba4860
1410088144
15943b410
hex64d82c0

105743040 has 224 divisors, whose sum is σ = 372953280. Its totient is φ = 25214976.

The previous prime is 105743023. The next prime is 105743041. The reversal of 105743040 is 40347501.

It is a super-2 number, since 2×1057430402 = 22363181016883200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 105743040.

It is not an unprimeable number, because it can be changed into a prime (105743041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461646 + ... + 461874.

It is an arithmetic number, because the mean of its divisors is an integer number (1664970).

Almost surely, 2105743040 is an apocalyptic number.

105743040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105743040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186476640).

105743040 is an abundant number, since it is smaller than the sum of its proper divisors (267210240).

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

105743040 is a wasteful number, since it uses less digits than its factorization.

105743040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 105743040 is about 10283.1434882530. The cubic root of 105743040 is about 472.8796198950.

The spelling of 105743040 in words is "one hundred five million, seven hundred forty-three thousand, forty".