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105909480 = 233252312791
BaseRepresentation
bin1100101000000…
…00110011101000
321101021202111100
412110000303220
5204103100410
614302001400
72424133665
oct624006350
9241252440
10105909480
11548683a6
122b576260
1318c32541
14100cca6c
1594708c0
hex6500ce8

105909480 has 96 divisors (see below), whose sum is σ = 359199360. Its totient is φ = 27012480.

The previous prime is 105909469. The next prime is 105909527. The reversal of 105909480 is 84909501.

It is a super-2 number, since 2×1059094802 = 22433635907740800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1885 + ... + 14675.

It is an arithmetic number, because the mean of its divisors is an integer number (3741660).

Almost surely, 2105909480 is an apocalyptic number.

105909480 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 105909480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179599680).

105909480 is an abundant number, since it is smaller than the sum of its proper divisors (253289880).

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

105909480 is a wasteful number, since it uses less digits than its factorization.

105909480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12831 (or 12824 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 105909480 is about 10291.2331622600. The cubic root of 105909480 is about 473.1275946883.

The spelling of 105909480 in words is "one hundred five million, nine hundred nine thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 30 36 40 45 46 60 69 72 90 92 115 120 138 180 184 207 230 276 345 360 414 460 552 690 828 920 1035 1380 1656 2070 2760 4140 8280 12791 25582 38373 51164 63955 76746 102328 115119 127910 153492 191865 230238 255820 294193 306984 383730 460476 511640 575595 588386 767460 882579 920952 1151190 1176772 1470965 1534920 1765158 2302380 2353544 2647737 2941930 3530316 4412895 4604760 5295474 5883860 7060632 8825790 10590948 11767720 13238685 17651580 21181896 26477370 35303160 52954740 105909480