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105630982 = 252815491
BaseRepresentation
bin1100100101111…
…00110100000110
321100202121110121
412102330310012
5204020142412
614252012154
72421564022
oct622746406
9240677417
10105630982
1154698136
122b46105a
1318b65852
1410059382
159418107
hex64bcd06

105630982 has 4 divisors (see below), whose sum is σ = 158446476. Its totient is φ = 52815490.

The previous prime is 105630971. The next prime is 105631027. The reversal of 105630982 is 289036501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 289036501 = 1322233577.

It is a super-2 number, since 2×1056309822 = 22315808716568648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26407744 + ... + 26407747.

It is an arithmetic number, because the mean of its divisors is an integer number (39611619).

Almost surely, 2105630982 is an apocalyptic number.

105630982 is a deficient number, since it is larger than the sum of its proper divisors (52815494).

105630982 is an equidigital number, since it uses as much as digits as its factorization.

105630982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52815493.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 105630982 is about 10277.6934182724. The cubic root of 105630982 is about 472.7125208795.

The spelling of 105630982 in words is "one hundred five million, six hundred thirty thousand, nine hundred eighty-two".

Divisors: 1 2 52815491 105630982