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104501980 = 22511598397
BaseRepresentation
bin1100011101010…
…01001011011100
321021122020202201
412032221023130
5203223030410
614211501244
72406152332
oct616511334
9237566681
10104501980
1153a96980
122abb7824
131885b9bb
14dc43b52
15929383a
hex63a92dc

104501980 has 96 divisors (see below), whose sum is σ = 248935680. Its totient is φ = 36526080.

The previous prime is 104501963. The next prime is 104501983. The reversal of 104501980 is 89105401.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104501983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1077292 + ... + 1077388.

It is an arithmetic number, because the mean of its divisors is an integer number (2593080).

Almost surely, 2104501980 is an apocalyptic number.

104501980 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 104501980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124467840).

104501980 is an abundant number, since it is smaller than the sum of its proper divisors (144433700).

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

104501980 is a wasteful number, since it uses less digits than its factorization.

104501980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 104501980 is about 10222.6209946373. The cubic root of 104501980 is about 471.0223407677.

The spelling of 104501980 in words is "one hundred four million, five hundred one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 59 83 97 110 118 166 194 220 236 295 332 388 415 485 590 649 830 913 970 1067 1180 1298 1660 1826 1940 2134 2596 3245 3652 4268 4565 4897 5335 5723 6490 8051 9130 9794 10670 11446 12980 16102 18260 19588 21340 22892 24485 28615 32204 40255 48970 53867 57230 62953 80510 88561 97940 107734 114460 125906 161020 177122 215468 251812 269335 314765 354244 442805 475009 538670 629530 885610 950018 1077340 1259060 1771220 1900036 2375045 4750090 5225099 9500180 10450198 20900396 26125495 52250990 104501980