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105011437 = 167628811
BaseRepresentation
bin1100100001001…
…01100011101101
321022121010121111
412100211203231
5203340331222
614230432021
72413403536
oct620454355
9238533544
10105011437
1154304713
122b202611
13189a985b
14dd3768d
159344777
hex64258ed

105011437 has 4 divisors (see below), whose sum is σ = 105640416. Its totient is φ = 104382460.

The previous prime is 105011411. The next prime is 105011453. The reversal of 105011437 is 734110501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 734110501 = 2657276293.

It is a cyclic number.

It is not a de Polignac number, because 105011437 - 223 = 96622829 is a prime.

It is a super-2 number, since 2×1050114372 = 22054803801609938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105011237) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 314239 + ... + 314572.

It is an arithmetic number, because the mean of its divisors is an integer number (26410104).

Almost surely, 2105011437 is an apocalyptic number.

It is an amenable number.

105011437 is a deficient number, since it is larger than the sum of its proper divisors (628979).

105011437 is an equidigital number, since it uses as much as digits as its factorization.

105011437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628978.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 105011437 is about 10247.5088192204. The cubic root of 105011437 is about 471.7865263831.

Adding to 105011437 its reverse (734110501), we get a palindrome (839121938).

The spelling of 105011437 in words is "one hundred five million, eleven thousand, four hundred thirty-seven".

Divisors: 1 167 628811 105011437