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101430245 = 5751771
BaseRepresentation
bin1100000101110…
…11001111100101
321001212012010202
412002323033211
5201431231440
614022000245
72341100000
oct602731745
9231765122
10101430245
1152289054
1229b76085
13180247c7
14d684537
158d88615
hex60bb3e5

101430245 has 48 divisors (see below), whose sum is σ = 152471808. Its totient is φ = 64538880.

The previous prime is 101430239. The next prime is 101430293. The reversal of 101430245 is 542034101.

It is not a de Polignac number, because 101430245 - 24 = 101430229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1428560 + ... + 1428630.

It is an arithmetic number, because the mean of its divisors is an integer number (3176496).

Almost surely, 2101430245 is an apocalyptic number.

It is an amenable number.

101430245 is a deficient number, since it is larger than the sum of its proper divisors (51041563).

101430245 is an frugal number, since it uses more digits than its factorization.

101430245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 101430245 is about 10071.2583622902. The cubic root of 101430245 is about 466.3612863179.

Adding to 101430245 its reverse (542034101), we get a palindrome (643464346).

The spelling of 101430245 in words is "one hundred one million, four hundred thirty thousand, two hundred forty-five".

Divisors: 1 5 7 17 35 49 71 85 119 245 343 355 497 595 833 1207 1715 2401 2485 3479 4165 5831 6035 8449 12005 16807 17395 24353 29155 40817 42245 59143 84035 121765 170471 204085 285719 295715 414001 852355 1193297 1428595 2070005 2898007 5966485 14490035 20286049 101430245