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101225389 = 538323011
BaseRepresentation
bin1100000100010…
…01001110101101
321001110210010111
412002021032231
5201403203024
614013340021
72336254516
oct602111655
9231423114
10101225389
1152159151
1229a97611
1317c824a5
14d62da0d
158d47a94
hex60893ad

101225389 has 8 divisors (see below), whose sum is σ = 104382432. Its totient is φ = 98114640.

The previous prime is 101225387. The next prime is 101225393. The reversal of 101225389 is 983522101.

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 101225389 - 21 = 101225387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101225389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101225387) 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, 7107 + ... + 15904.

It is an arithmetic number, because the mean of its divisors is an integer number (13047804).

Almost surely, 2101225389 is an apocalyptic number.

It is an amenable number.

101225389 is a deficient number, since it is larger than the sum of its proper divisors (3157043).

101225389 is an equidigital number, since it uses as much as digits as its factorization.

101225389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23147.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 101225389 is about 10061.0828940030. The cubic root of 101225389 is about 466.0471088333.

The spelling of 101225389 in words is "one hundred one million, two hundred twenty-five thousand, three hundred eighty-nine".

Divisors: 1 53 83 4399 23011 1219583 1909913 101225389