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101530027 = 234414349
BaseRepresentation
bin1100000110100…
…11100110101011
321002001021000101
412003103212223
5201442430102
614024050231
72341663624
oct603234653
9232037011
10101530027
1152347015
122a003977
131805b051
14d6aca4b
158da7e87
hex60d39ab

101530027 has 4 divisors (see below), whose sum is σ = 105944400. Its totient is φ = 97115656.

The previous prime is 101530021. The next prime is 101530133. The reversal of 101530027 is 720035101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720035101 = 2572801693.

It is a cyclic number.

It is not a de Polignac number, because 101530027 - 23 = 101530019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101529986 and 101530013.

It is not an unprimeable number, because it can be changed into a prime (101530021) 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, 2207152 + ... + 2207197.

It is an arithmetic number, because the mean of its divisors is an integer number (26486100).

Almost surely, 2101530027 is an apocalyptic number.

101530027 is a deficient number, since it is larger than the sum of its proper divisors (4414373).

101530027 is an equidigital number, since it uses as much as digits as its factorization.

101530027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4414372.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 101530027 is about 10076.2109445962. The cubic root of 101530027 is about 466.5141638309.

Adding to 101530027 its reverse (720035101), we get a palindrome (821565128).

The spelling of 101530027 in words is "one hundred one million, five hundred thirty thousand, twenty-seven".

Divisors: 1 23 4414349 101530027