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106451447 = 731458239
BaseRepresentation
bin1100101100001…
…01000111110111
321102022021221012
412112011013313
5204222421242
614321342435
72431552034
oct626050767
9242267835
10106451447
11550a8603
122b797a1b
131909212b
14101d038b
15952b282
hex65851f7

106451447 has 4 divisors (see below), whose sum is σ = 107909760. Its totient is φ = 104993136.

The previous prime is 106451441. The next prime is 106451459. The reversal of 106451447 is 744154601.

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 106451447 - 212 = 106447351 is a prime.

It is a super-2 number, since 2×1064514472 = 22663821136787618, 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 (106451441) 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, 729047 + ... + 729192.

It is an arithmetic number, because the mean of its divisors is an integer number (26977440).

Almost surely, 2106451447 is an apocalyptic number.

106451447 is a deficient number, since it is larger than the sum of its proper divisors (1458313).

106451447 is an equidigital number, since it uses as much as digits as its factorization.

106451447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458312.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 106451447 is about 10317.5310515646. The cubic root of 106451447 is about 473.9332619220.

The spelling of 106451447 in words is "one hundred six million, four hundred fifty-one thousand, four hundred forty-seven".

Divisors: 1 73 1458239 106451447