Search a number
-
+
106812615 = 35713174603
BaseRepresentation
bin1100101110111…
…01010011000111
321102222122100210
412113131103013
5204321000430
614333210503
72434615020
oct627352307
9242878323
10106812615
1155324998
122b930a33
131918a640
1410285c47
15959d2b0
hex65dd4c7

106812615 has 64 divisors (see below), whose sum is σ = 222759936. Its totient is φ = 42412032.

The previous prime is 106812593. The next prime is 106812619. The reversal of 106812615 is 516218601.

It is not a de Polignac number, because 106812615 - 26 = 106812551 is a prime.

It is a super-2 number, since 2×1068126152 = 22817869446276450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106812619) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20904 + ... + 25506.

It is an arithmetic number, because the mean of its divisors is an integer number (3480624).

Almost surely, 2106812615 is an apocalyptic number.

106812615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

106812615 is an abundant number, since it is smaller than the sum of its proper divisors (115947321).

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

106812615 is a wasteful number, since it uses less digits than its factorization.

106812615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 106812615 is about 10335.0188679073. The cubic root of 106812615 is about 474.4686431252.

The spelling of 106812615 in words is "one hundred six million, eight hundred twelve thousand, six hundred fifteen".

Divisors: 1 3 5 7 13 15 17 21 35 39 51 65 85 91 105 119 195 221 255 273 357 455 595 663 1105 1365 1547 1785 3315 4603 4641 7735 13809 23015 23205 32221 59839 69045 78251 96663 161105 179517 234753 299195 391255 418873 483315 547757 897585 1017263 1173765 1256619 1643271 2094365 2738785 3051789 5086315 6283095 7120841 8216355 15258945 21362523 35604205 106812615