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107277421 = 1009110631
BaseRepresentation
bin1100110010011…
…10110001101101
321110212020221211
412121032301231
5204430334141
614351154421
72441562106
oct631166155
9243766854
10107277421
1155612129
122bb15a11
13192c1084
14103673ad
159640d81
hex664ec6d

107277421 has 4 divisors (see below), whose sum is σ = 107298144. Its totient is φ = 107256700.

The previous prime is 107277413. The next prime is 107277449. The reversal of 107277421 is 124772701.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 107277421 - 23 = 107277413 is a prime.

It is a super-2 number, since 2×1072774212 = 23016890112822482, 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 (107277481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4776 + ... + 15406.

It is an arithmetic number, because the mean of its divisors is an integer number (26824536).

Almost surely, 2107277421 is an apocalyptic number.

It is an amenable number.

107277421 is a deficient number, since it is larger than the sum of its proper divisors (20723).

107277421 is a wasteful number, since it uses less digits than its factorization.

107277421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20722.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 107277421 is about 10357.4814023487. The cubic root of 107277421 is about 475.1558801414.

The spelling of 107277421 in words is "one hundred seven million, two hundred seventy-seven thousand, four hundred twenty-one".

Divisors: 1 10091 10631 107277421