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106023389 = 372865497
BaseRepresentation
bin1100101000111…
…00100111011101
321101111112202012
412110130213131
5204120222024
614304241005
72425120043
oct624344735
9241445665
10106023389
1154935a3a
122b610165
1318c72344
141011c393
15949450e
hex651c9dd

106023389 has 4 divisors (see below), whose sum is σ = 108888924. Its totient is φ = 103157856.

The previous prime is 106023361. The next prime is 106023397. The reversal of 106023389 is 983320601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 983320601 = 2518339047.

It can be written as a sum of positive squares in 2 ways, for example, as 82500889 + 23522500 = 9083^2 + 4850^2 .

It is a cyclic number.

It is not a de Polignac number, because 106023389 - 28 = 106023133 is a prime.

It is a super-2 number, since 2×1060233892 = 22481918030090642, 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 (106023349) 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, 1432712 + ... + 1432785.

It is an arithmetic number, because the mean of its divisors is an integer number (27222231).

Almost surely, 2106023389 is an apocalyptic number.

It is an amenable number.

106023389 is a deficient number, since it is larger than the sum of its proper divisors (2865535).

106023389 is an equidigital number, since it uses as much as digits as its factorization.

106023389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865534.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 106023389 is about 10296.7659485879. The cubic root of 106023389 is about 473.2971551511.

The spelling of 106023389 in words is "one hundred six million, twenty-three thousand, three hundred eighty-nine".

Divisors: 1 37 2865497 106023389