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101145245 = 543470443
BaseRepresentation
bin1100000011101…
…01101010011101
321001022201012012
412001311222131
5201343121440
614011521005
72335502045
oct601655235
9231281165
10101145245
1152103a13
1229a59165
1317c54b76
14d60c725
158d2de65
hex6075a9d

101145245 has 8 divisors (see below), whose sum is σ = 124197216. Its totient is φ = 79034256.

The previous prime is 101145221. The next prime is 101145263. The reversal of 101145245 is 542541101.

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 101145245 - 26 = 101145181 is a prime.

It is a super-2 number, since 2×1011452452 = 20460721172220050, which contains 22 as substring.

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 101145245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235007 + ... + 235436.

It is an arithmetic number, because the mean of its divisors is an integer number (15524652).

Almost surely, 2101145245 is an apocalyptic number.

It is an amenable number.

101145245 is a deficient number, since it is larger than the sum of its proper divisors (23051971).

101145245 is an equidigital number, since it uses as much as digits as its factorization.

101145245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470491.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 101145245 is about 10057.0992338745. The cubic root of 101145245 is about 465.9240806037.

Adding to 101145245 its reverse (542541101), we get a palindrome (643686346).

The spelling of 101145245 in words is "one hundred one million, one hundred forty-five thousand, two hundred forty-five".

Divisors: 1 5 43 215 470443 2352215 20229049 101145245