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105253030 = 2576913687
BaseRepresentation
bin1100100011000…
…00100010100110
321100001102000101
412101200202212
5203421044110
614235534314
72415431101
oct621404246
9240042011
10105253030
115445a183
122b2ba39a
1318a627cc
14dd9b738
15939113a
hex64608a6

105253030 has 16 divisors (see below), whose sum is σ = 189715680. Its totient is φ = 42043392.

The previous prime is 105253019. The next prime is 105253039. The reversal of 105253030 is 30352501.

It is a super-2 number, since 2×1052530302 = 22156400648361800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105252989 and 105253007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105253039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847 + ... + 14533.

It is an arithmetic number, because the mean of its divisors is an integer number (11857230).

Almost surely, 2105253030 is an apocalyptic number.

105253030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105253030 is a deficient number, since it is larger than the sum of its proper divisors (84462650).

105253030 is a wasteful number, since it uses less digits than its factorization.

105253030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14463.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 105253030 is about 10259.2899364430. The cubic root of 105253030 is about 472.1480521624.

The spelling of 105253030 in words is "one hundred five million, two hundred fifty-three thousand, thirty".

Divisors: 1 2 5 10 769 1538 3845 7690 13687 27374 68435 136870 10525303 21050606 52626515 105253030