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106787550 = 23523771271
BaseRepresentation
bin1100101110101…
…11001011011110
321102221100222110
412113113023132
5204314200200
614332454450
72434451652
oct627271336
9242840873
10106787550
1155308081
122b91a426
131917c0cc
141027aa62
159595b50
hex65d72de

106787550 has 96 divisors (see below), whose sum is σ = 276839424. Its totient is φ = 27216000.

The previous prime is 106787531. The next prime is 106787561. The reversal of 106787550 is 55787601.

It is a super-2 number, since 2×1067875502 = 22807161670005000, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 106787499 and 106787508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 393915 + ... + 394185.

It is an arithmetic number, because the mean of its divisors is an integer number (2883744).

Almost surely, 2106787550 is an apocalyptic number.

106787550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 106787550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138419712).

106787550 is an abundant number, since it is smaller than the sum of its proper divisors (170051874).

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

106787550 is a wasteful number, since it uses less digits than its factorization.

106787550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 39.

The square root of 106787550 is about 10333.8061719775. The cubic root of 106787550 is about 474.4315267636.

The spelling of 106787550 in words is "one hundred six million, seven hundred eighty-seven thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 37 50 71 74 75 111 142 150 185 213 222 271 355 370 426 542 555 710 813 925 1065 1110 1355 1626 1775 1850 2130 2627 2710 2775 3550 4065 5254 5325 5550 6775 7881 8130 10027 10650 13135 13550 15762 19241 20054 20325 26270 30081 38482 39405 40650 50135 57723 60162 65675 78810 96205 100270 115446 131350 150405 192410 197025 250675 288615 300810 394050 481025 501350 577230 711917 752025 962050 1423834 1443075 1504050 2135751 2886150 3559585 4271502 7119170 10678755 17797925 21357510 35595850 53393775 106787550