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106723487 = 138209499
BaseRepresentation
bin1100101110001…
…11100010011111
321102211010002202
412113013202133
5204310122422
614331242115
72434064123
oct627074237
9242733082
10106723487
1155273a32
122b8a933b
1319158bc0
1410261583
159581b92
hex65c789f

106723487 has 4 divisors (see below), whose sum is σ = 114933000. Its totient is φ = 98513976.

The previous prime is 106723481. The next prime is 106723489. The reversal of 106723487 is 784327601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106723487 - 24 = 106723471 is a prime.

It is a super-2 number, since 2×1067234872 = 22779805354878338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106723487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106723481) 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, 4104737 + ... + 4104762.

It is an arithmetic number, because the mean of its divisors is an integer number (28733250).

Almost surely, 2106723487 is an apocalyptic number.

106723487 is a deficient number, since it is larger than the sum of its proper divisors (8209513).

106723487 is an equidigital number, since it uses as much as digits as its factorization.

106723487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8209512.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 106723487 is about 10330.7060262114. The cubic root of 106723487 is about 474.3366355935.

The spelling of 106723487 in words is "one hundred six million, seven hundred twenty-three thousand, four hundred eighty-seven".

Divisors: 1 13 8209499 106723487