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106158427 = 193354919
BaseRepresentation
bin1100101001111…
…01100101011011
321101202101222121
412110331211123
5204134032202
614311202111
72426221534
oct624754533
9241671877
10106158427
1154a18441
122b676337
1318cbb94b
141015568b
1594be537
hex653d95b

106158427 has 4 divisors (see below), whose sum is σ = 106215280. Its totient is φ = 106101576.

The previous prime is 106158413. The next prime is 106158431. The reversal of 106158427 is 724851601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724851601 = 2331515287.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106158427 is a prime.

It is a super-2 number, since 2×1061584272 = 22539223246228658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106158392 and 106158401.

It is not an unprimeable number, because it can be changed into a prime (106158407) 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, 25527 + ... + 29392.

It is an arithmetic number, because the mean of its divisors is an integer number (26553820).

Almost surely, 2106158427 is an apocalyptic number.

106158427 is a deficient number, since it is larger than the sum of its proper divisors (56853).

106158427 is an equidigital number, since it uses as much as digits as its factorization.

106158427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56852.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 106158427 is about 10303.3211635860. The cubic root of 106158427 is about 473.4980101588.

The spelling of 106158427 in words is "one hundred six million, one hundred fifty-eight thousand, four hundred twenty-seven".

Divisors: 1 1933 54919 106158427