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105463830 = 2357348157
BaseRepresentation
bin1100100100101…
…00000000010110
321100110010011210
412102110000112
5203444320310
614244242250
72420266503
oct622240026
9240403153
10105463830
115459359a
122b3a0386
1318b07744
14100144aa
1593d3820
hex6494016

105463830 has 32 divisors (see below), whose sum is σ = 256585824. Its totient is φ = 27737856.

The previous prime is 105463823. The next prime is 105463837. The reversal of 105463830 is 38364501.

It is an interprime number because it is at equal distance from previous prime (105463823) and next prime (105463837).

It is a super-2 number, since 2×1054638302 = 22245238876537800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105463837) 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, 21889 + ... + 26268.

It is an arithmetic number, because the mean of its divisors is an integer number (8018307).

Almost surely, 2105463830 is an apocalyptic number.

105463830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105463830 is an abundant number, since it is smaller than the sum of its proper divisors (151121994).

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

105463830 is a wasteful number, since it uses less digits than its factorization.

105463830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48240.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 105463830 is about 10269.5584130964. The cubic root of 105463830 is about 472.4630468567.

The spelling of 105463830 in words is "one hundred five million, four hundred sixty-three thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 48157 96314 144471 240785 288942 481570 722355 1444710 3515461 7030922 10546383 17577305 21092766 35154610 52731915 105463830