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101730980 = 22513391273
BaseRepresentation
bin1100001000001…
…00101010100100
321002102110200002
412010010222210
5202020342410
614032240432
72343461531
oct604045244
9232373602
10101730980
1152473a9a
122a0a0118
13180cb660
14d721d88
158de77a5
hex6104aa4

101730980 has 24 divisors (see below), whose sum is σ = 230069112. Its totient is φ = 37562112.

The previous prime is 101730953. The next prime is 101731013. The reversal of 101730980 is 89037101.

It can be written as a sum of positive squares in 4 ways, for example, as 7873636 + 93857344 = 2806^2 + 9688^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195377 + ... + 195896.

It is an arithmetic number, because the mean of its divisors is an integer number (9586213).

Almost surely, 2101730980 is an apocalyptic number.

101730980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101730980 is an abundant number, since it is smaller than the sum of its proper divisors (128338132).

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

101730980 is a wasteful number, since it uses less digits than its factorization.

101730980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391295 (or 391293 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 101730980 is about 10086.1776704557. The cubic root of 101730980 is about 466.8217432458.

The spelling of 101730980 in words is "one hundred one million, seven hundred thirty thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 391273 782546 1565092 1956365 3912730 5086549 7825460 10173098 20346196 25432745 50865490 101730980