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105748434 = 232112232111
BaseRepresentation
bin1100100110110…
…01011111010010
321100222120120200
412103121133102
5204032422214
614254320030
72422563321
oct623313722
9240876520
10105748434
1154768400
122b4b9016
1318ba714c
141008a0b8
15943cd09
hex64d97d2

105748434 has 72 divisors (see below), whose sum is σ = 262918656. Its totient is φ = 30637200.

The previous prime is 105748427. The next prime is 105748439. The reversal of 105748434 is 434847501.

105748434 is a `hidden beast` number, since 1 + 0 + 574 + 84 + 3 + 4 = 666.

It is a super-2 number, since 2×1057484342 = 22365462586904712, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105748439) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 49039 + ... + 51149.

It is an arithmetic number, because the mean of its divisors is an integer number (3651648).

Almost surely, 2105748434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105748434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131459328).

105748434 is an abundant number, since it is smaller than the sum of its proper divisors (157170222).

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

105748434 is a wasteful number, since it uses less digits than its factorization.

105748434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164 (or 2150 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 105748434 is about 10283.4057587941. The cubic root of 105748434 is about 472.8876603590.

The spelling of 105748434 in words is "one hundred five million, seven hundred forty-eight thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 11 18 22 23 33 46 66 69 99 121 138 198 207 242 253 363 414 506 726 759 1089 1518 2111 2178 2277 2783 4222 4554 5566 6333 8349 12666 16698 18999 23221 25047 37998 46442 48553 50094 69663 97106 139326 145659 208989 255431 291318 417978 436977 510862 534083 766293 873954 1068166 1532586 1602249 2298879 3204498 4597758 4806747 5874913 9613494 11749826 17624739 35249478 52874217 105748434