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101422231 = 531913627
BaseRepresentation
bin1100000101110…
…01010010010111
321001211210010221
412002321102113
5201431002411
614021455211
72341034431
oct602712227
9231753127
10101422231
1152283029
1229b71507
1318020c71
14d681651
158d86071
hex60b9497

101422231 has 4 divisors (see below), whose sum is σ = 103335912. Its totient is φ = 99508552.

The previous prime is 101422229. The next prime is 101422253. The reversal of 101422231 is 132224101.

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 101422231 - 21 = 101422229 is a prime.

It is a super-2 number, since 2×1014222312 = 20572937882034722, 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 (101422261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956761 + ... + 956866.

It is an arithmetic number, because the mean of its divisors is an integer number (25833978).

Almost surely, 2101422231 is an apocalyptic number.

101422231 is a deficient number, since it is larger than the sum of its proper divisors (1913681).

101422231 is an equidigital number, since it uses as much as digits as its factorization.

101422231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913680.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 101422231 is about 10070.8604895510. The cubic root of 101422231 is about 466.3490035983.

Adding to 101422231 its reverse (132224101), we get a palindrome (233646332).

It can be divided in two parts, 10 and 1422231, that added together give a palindrome (1422241).

The spelling of 101422231 in words is "one hundred one million, four hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 53 1913627 101422231