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106456289 = 372877197
BaseRepresentation
bin1100101100001…
…10010011100001
321102022112120112
412112012103201
5204223100124
614321421105
72431602122
oct626062341
9242275515
10106456289
1155101205
122b79a795
13190943b4
14101d2049
15952c90e
hex65864e1

106456289 has 4 divisors (see below), whose sum is σ = 109333524. Its totient is φ = 103579056.

The previous prime is 106456279. The next prime is 106456309. The reversal of 106456289 is 982654601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 982654601 = 2407740813.

It can be written as a sum of positive squares in 2 ways, for example, as 84787264 + 21669025 = 9208^2 + 4655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106456289 is a prime.

It is a super-2 number, since 2×1064562892 = 22665882935303042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106456249) 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, 1438562 + ... + 1438635.

It is an arithmetic number, because the mean of its divisors is an integer number (27333381).

Almost surely, 2106456289 is an apocalyptic number.

It is an amenable number.

106456289 is a deficient number, since it is larger than the sum of its proper divisors (2877235).

106456289 is an equidigital number, since it uses as much as digits as its factorization.

106456289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877234.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 106456289 is about 10317.7656980569. The cubic root of 106456289 is about 473.9404475142.

The spelling of 106456289 in words is "one hundred six million, four hundred fifty-six thousand, two hundred eighty-nine".

Divisors: 1 37 2877197 106456289