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106030905 = 354323823
BaseRepresentation
bin1100101000111…
…10011100111001
321101111221001120
412110132130321
5204120442110
614304335453
72425151001
oct624363471
9241457046
10106030905
1154940652
122b614589
1318c758a6
1410121001
159496870
hex651e739

106030905 has 24 divisors (see below), whose sum is σ = 173731968. Its totient is φ = 55220256.

The previous prime is 106030867. The next prime is 106030909. The reversal of 106030905 is 509030601.

It is not a de Polignac number, because 106030905 - 27 = 106030777 is a prime.

It is a super-2 number, since 2×1060309052 = 22485105630238050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106030909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25824 + ... + 29646.

It is an arithmetic number, because the mean of its divisors is an integer number (7238832).

Almost surely, 2106030905 is an apocalyptic number.

106030905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

106030905 is a deficient number, since it is larger than the sum of its proper divisors (67701063).

106030905 is an equidigital number, since it uses as much as digits as its factorization.

106030905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3917 (or 3874 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 106030905 is about 10297.1309110839. The cubic root of 106030905 is about 473.3083389015.

The spelling of 106030905 in words is "one hundred six million, thirty thousand, nine hundred five".

Divisors: 1 3 5 15 43 129 215 645 1849 3823 5547 9245 11469 19115 27735 57345 164389 493167 821945 2465835 7068727 21206181 35343635 106030905