Search a number
-
+
105254514 = 23217292409
BaseRepresentation
bin1100100011000…
…00111001110010
321100001111001100
412101200321302
5203421121024
614235545230
72415435321
oct621407162
9240044040
10105254514
1154460302
122b2bb216
1318a633a1
14dd9c0b8
1593917c9
hex6460e72

105254514 has 72 divisors (see below), whose sum is σ = 250691220. Its totient is φ = 31804416.

The previous prime is 105254507. The next prime is 105254519. The reversal of 105254514 is 415452501.

105254514 is a `hidden beast` number, since 105 + 2 + 545 + 14 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 91527489 + 13727025 = 9567^2 + 3705^2 .

It is a super-2 number, since 2×1052545142 = 22157025434752392, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105254519) 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, 257142 + ... + 257550.

Almost surely, 2105254514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105254514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125345610).

105254514 is an abundant number, since it is smaller than the sum of its proper divisors (145436706).

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

105254514 is a wasteful number, since it uses less digits than its factorization.

105254514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 105254514 is about 10259.3622608815. The cubic root of 105254514 is about 472.1502711465.

The spelling of 105254514 in words is "one hundred five million, two hundred fifty-four thousand, five hundred fourteen".

Divisors: 1 2 3 6 9 17 18 29 34 51 58 87 102 153 174 261 306 409 493 522 818 841 986 1227 1479 1682 2454 2523 2958 3681 4437 5046 6953 7362 7569 8874 11861 13906 14297 15138 20859 23722 28594 35583 41718 42891 62577 71166 85782 106749 125154 128673 201637 213498 257346 343969 403274 604911 687938 1031907 1209822 1814733 2063814 3095721 3629466 5847473 6191442 11694946 17542419 35084838 52627257 105254514