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105245504 = 26713171063
BaseRepresentation
bin1100100010111…
…10101101000000
321100001000200122
412101132231000
5203420324004
614235435412
72415400130
oct621365500
9240030618
10105245504
1154454561
122b2b5b68
1318a5c260
14dd98ac0
15938dcbe
hex645eb40

105245504 has 112 divisors (see below), whose sum is σ = 272418048. Its totient is φ = 39149568.

The previous prime is 105245489. The next prime is 105245507. The reversal of 105245504 is 405542501.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×1052455042 = 22153232224428032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105245507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98477 + ... + 99539.

It is an arithmetic number, because the mean of its divisors is an integer number (2432304).

Almost surely, 2105245504 is an apocalyptic number.

105245504 is a gapful number since it is divisible by the number (14) 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 105245504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136209024).

105245504 is an abundant number, since it is smaller than the sum of its proper divisors (167172544).

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

105245504 is a wasteful number, since it uses less digits than its factorization.

105245504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 105245504 is about 10258.9231403691. The cubic root of 105245504 is about 472.1367984216.

The spelling of 105245504 in words is "one hundred five million, two hundred forty-five thousand, five hundred four".

Divisors: 1 2 4 7 8 13 14 16 17 26 28 32 34 52 56 64 68 91 104 112 119 136 182 208 221 224 238 272 364 416 442 448 476 544 728 832 884 952 1063 1088 1456 1547 1768 1904 2126 2912 3094 3536 3808 4252 5824 6188 7072 7441 7616 8504 12376 13819 14144 14882 17008 18071 24752 27638 29764 34016 36142 49504 55276 59528 68032 72284 96733 99008 110552 119056 126497 144568 193466 221104 234923 238112 252994 289136 386932 442208 469846 476224 505988 578272 773864 884416 939692 1011976 1156544 1547728 1644461 1879384 2023952 3095456 3288922 3758768 4047904 6190912 6577844 7517536 8095808 13155688 15035072 26311376 52622752 105245504