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105722052 = 22329461659
BaseRepresentation
bin1100100110100…
…11000011000100
321100221020101120
412103103003010
5204031101202
614253553540
72422423362
oct623230304
9240836346
10105722052
115474a5a7
122b4a58b0
1318b98137
1410080632
1594350bc
hex64d30c4

105722052 has 48 divisors (see below), whose sum is σ = 256132800. Its totient is φ = 33900160.

The previous prime is 105722051. The next prime is 105722063. The reversal of 105722052 is 250227501.

It is a super-2 number, since 2×1057220522 = 22354304558181408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105722051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160099 + ... + 160757.

It is an arithmetic number, because the mean of its divisors is an integer number (5336100).

Almost surely, 2105722052 is an apocalyptic number.

105722052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105722052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128066400).

105722052 is an abundant number, since it is smaller than the sum of its proper divisors (150410748).

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

105722052 is a wasteful number, since it uses less digits than its factorization.

105722052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 105722052 is about 10282.1229325466. The cubic root of 105722052 is about 472.8483319283.

Adding to 105722052 its reverse (250227501), we get a palindrome (355949553).

The spelling of 105722052 in words is "one hundred five million, seven hundred twenty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 461 659 922 1318 1383 1844 1977 2636 2766 3954 5532 7908 13369 19111 26738 38222 40107 53476 57333 76444 80214 114666 160428 229332 303799 607598 911397 1215196 1822794 3645588 8810171 17620342 26430513 35240684 52861026 105722052