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105020760 = 233513232927
BaseRepresentation
bin1100100001001…
…11110101011000
321022121121101210
412100213311120
5203341131020
614230543120
72413442655
oct620476530
9238547353
10105020760
1154310719
122b207aa0
13189b0b80
14dd3ac2c
1593473e0
hex6427d58

105020760 has 128 divisors (see below), whose sum is σ = 354170880. Its totient is φ = 24718848.

The previous prime is 105020759. The next prime is 105020779. The reversal of 105020760 is 67020501.

It is a super-2 number, since 2×1050207602 = 22058720061955200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34417 + ... + 37343.

It is an arithmetic number, because the mean of its divisors is an integer number (2766960).

Almost surely, 2105020760 is an apocalyptic number.

105020760 is a gapful number since it is divisible by the number (10) 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 105020760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177085440).

105020760 is an abundant number, since it is smaller than the sum of its proper divisors (249150120).

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

105020760 is a wasteful number, since it uses less digits than its factorization.

105020760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977 (or 2973 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 105020760 is about 10247.9637001699. The cubic root of 105020760 is about 471.8004878326.

The spelling of 105020760 in words is "one hundred five million, twenty thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 23 24 26 30 39 40 46 52 60 65 69 78 92 104 115 120 130 138 156 184 195 230 260 276 299 312 345 390 460 520 552 598 690 780 897 920 1196 1380 1495 1560 1794 2392 2760 2927 2990 3588 4485 5854 5980 7176 8781 8970 11708 11960 14635 17562 17940 23416 29270 35124 35880 38051 43905 58540 67321 70248 76102 87810 114153 117080 134642 152204 175620 190255 201963 228306 269284 304408 336605 351240 380510 403926 456612 538568 570765 673210 761020 807852 875173 913224 1009815 1141530 1346420 1522040 1615704 1750346 2019630 2283060 2625519 2692840 3500692 4039260 4375865 4566120 5251038 7001384 8078520 8751730 10502076 13127595 17503460 21004152 26255190 35006920 52510380 105020760