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105642246 = 2340943049
BaseRepresentation
bin1100100101111…
…11100100000110
321100210011220210
412102333210012
5204021022441
614252140250
72421641613
oct622774406
9240704823
10105642246
11546a5646
122b467686
1318b6aa08
141005d50a
15941b616
hex64bf906

105642246 has 16 divisors (see below), whose sum is σ = 211806000. Its totient is φ = 35127168.

The previous prime is 105642241. The next prime is 105642287. The reversal of 105642246 is 642246501.

It is a super-2 number, since 2×1056422462 = 22320568279849032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105642241) 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, 19071 + ... + 23978.

It is an arithmetic number, because the mean of its divisors is an integer number (13237875).

Almost surely, 2105642246 is an apocalyptic number.

105642246 is an abundant number, since it is smaller than the sum of its proper divisors (106163754).

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

105642246 is a wasteful number, since it uses less digits than its factorization.

105642246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43463.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 105642246 is about 10278.2413865408. The cubic root of 105642246 is about 472.7293229089.

Adding to 105642246 its reverse (642246501), we get a palindrome (747888747).

The spelling of 105642246 in words is "one hundred five million, six hundred forty-two thousand, two hundred forty-six".

Divisors: 1 2 3 6 409 818 1227 2454 43049 86098 129147 258294 17607041 35214082 52821123 105642246