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101220323 = 438926449
BaseRepresentation
bin1100000100001…
…11111111100011
321001110112011212
412002013333203
5201403022243
614013300335
72336233661
oct602077743
9231415155
10101220323
1152155366
1229a946ab
1317c800a9
14d62bc31
158d46318
hex6087fe3

101220323 has 8 divisors (see below), whose sum is σ = 104742000. Its totient is φ = 97751808.

The previous prime is 101220313. The next prime is 101220331. The reversal of 101220323 is 323022101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101220323 - 24 = 101220307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101220298 and 101220307.

It is not an unprimeable number, because it can be changed into a prime (101220313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9398 + ... + 17051.

It is an arithmetic number, because the mean of its divisors is an integer number (13092750).

Almost surely, 2101220323 is an apocalyptic number.

101220323 is a deficient number, since it is larger than the sum of its proper divisors (3521677).

101220323 is an equidigital number, since it uses as much as digits as its factorization.

101220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26581.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 101220323 is about 10060.8311286891. The cubic root of 101220323 is about 466.0393339919.

Adding to 101220323 its reverse (323022101), we get a palindrome (424242424).

The spelling of 101220323 in words is "one hundred one million, two hundred twenty thousand, three hundred twenty-three".

Divisors: 1 43 89 3827 26449 1137307 2353961 101220323