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100930380 = 223512911303
BaseRepresentation
bin1100000010000…
…01001101001100
321000220210110020
412001001031030
5201314233010
614003142140
72333615445
oct601011514
9230823406
10100930380
1151a77541
1229974950
1317bab125
14d5942cc
158cda470
hex604134c

100930380 has 48 divisors (see below), whose sum is σ = 283041024. Its totient is φ = 26873280.

The previous prime is 100930303. The next prime is 100930381. The reversal of 100930380 is 83039001.

It is a self number, because there is not a number n which added to its sum of digits gives 100930380.

It is not an unprimeable number, because it can be changed into a prime (100930381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76809 + ... + 78111.

It is an arithmetic number, because the mean of its divisors is an integer number (5896688).

Almost surely, 2100930380 is an apocalyptic number.

100930380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100930380 is an abundant number, since it is smaller than the sum of its proper divisors (182110644).

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

100930380 is a wasteful number, since it uses less digits than its factorization.

100930380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606 (or 2604 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 100930380 is about 10046.4112995636. The cubic root of 100930380 is about 465.5939225538.

Adding to 100930380 its reverse (83039001), we get a palindrome (183969381).

The spelling of 100930380 in words is "one hundred million, nine hundred thirty thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1291 1303 2582 2606 3873 3909 5164 5212 6455 6515 7746 7818 12910 13030 15492 15636 19365 19545 25820 26060 38730 39090 77460 78180 1682173 3364346 5046519 6728692 8410865 10093038 16821730 20186076 25232595 33643460 50465190 100930380