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105482640 = 2435439511
BaseRepresentation
bin1100100100110…
…00100110010000
321100111001222110
412102120212100
5204000421030
614244505320
72420405364
oct622304620
9240431873
10105482640
11545a673a
122b3ab240
1318b13183
141001b2a4
1593d91b0
hex6498990

105482640 has 40 divisors (see below), whose sum is σ = 326996928. Its totient is φ = 28128640.

The previous prime is 105482581. The next prime is 105482647. The reversal of 105482640 is 46284501.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1054826402 = 22253174682739200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 105482598 and 105482607.

It is not an unprimeable number, because it can be changed into a prime (105482647) 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, 219516 + ... + 219995.

Almost surely, 2105482640 is an apocalyptic number.

105482640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105482640 is an abundant number, since it is smaller than the sum of its proper divisors (221514288).

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

105482640 is a wasteful number, since it uses less digits than its factorization.

105482640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439527 (or 439521 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 105482640 is about 10270.4741857424. The cubic root of 105482640 is about 472.4911339004.

The spelling of 105482640 in words is "one hundred five million, four hundred eighty-two thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 439511 879022 1318533 1758044 2197555 2637066 3516088 4395110 5274132 6592665 7032176 8790220 10548264 13185330 17580440 21096528 26370660 35160880 52741320 105482640