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101001380 = 22522722247
BaseRepresentation
bin1100000010100…
…10100010100100
321001001101211212
412001102202210
5201324021010
614004450552
72334332444
oct601224244
9231041755
10101001380
1152015917
12299a9a58
1317c0453c
14d5b2124
158d01505
hex60528a4

101001380 has 24 divisors (see below), whose sum is σ = 213046848. Its totient is φ = 40220768.

The previous prime is 101001371. The next prime is 101001391. The reversal of 101001380 is 83100101.

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, 6584 + ... + 15663.

It is an arithmetic number, because the mean of its divisors is an integer number (8876952).

Almost surely, 2101001380 is an apocalyptic number.

101001380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101001380 is an abundant number, since it is smaller than the sum of its proper divisors (112045468).

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

101001380 is a wasteful number, since it uses less digits than its factorization.

101001380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22483 (or 22481 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 101001380 is about 10049.9442784525. The cubic root of 101001380 is about 465.7030717850.

Adding to 101001380 its reverse (83100101), we get a palindrome (184101481).

The spelling of 101001380 in words is "one hundred one million, one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 227 454 908 1135 2270 4540 22247 44494 88988 111235 222470 444940 5050069 10100138 20200276 25250345 50500690 101001380