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107242245 = 33511257281
BaseRepresentation
bin1100110010001…
…10001100000101
321110210110201000
412121012030011
5204423222440
614350323513
72441354415
oct631061405
9243713630
10107242245
1155598760
122bab9599
13192ab066
1410358645
159635730
hex6646305

107242245 has 64 divisors (see below), whose sum is σ = 209537280. Its totient is φ = 51609600.

The previous prime is 107242217. The next prime is 107242259. The reversal of 107242245 is 542242701.

It is not a de Polignac number, because 107242245 - 212 = 107238149 is a prime.

It is a super-2 number, since 2×1072422452 = 23001798225280050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 381505 + ... + 381785.

It is an arithmetic number, because the mean of its divisors is an integer number (3274020).

Almost surely, 2107242245 is an apocalyptic number.

107242245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

107242245 is a deficient number, since it is larger than the sum of its proper divisors (102295035).

107242245 is a wasteful number, since it uses less digits than its factorization.

107242245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 107242245 is about 10355.7831669073. The cubic root of 107242245 is about 475.1039403195.

Adding to 107242245 its reverse (542242701), we get a palindrome (649484946).

The spelling of 107242245 in words is "one hundred seven million, two hundred forty-two thousand, two hundred forty-five".

Divisors: 1 3 5 9 11 15 27 33 45 55 99 135 165 257 281 297 495 771 843 1285 1405 1485 2313 2529 2827 3091 3855 4215 6939 7587 8481 9273 11565 12645 14135 15455 25443 27819 34695 37935 42405 46365 72217 76329 83457 127215 139095 216651 361085 381645 417285 649953 794387 1083255 1949859 2383161 3249765 3971935 7149483 9749295 11915805 21448449 35747415 107242245