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123201006 = 23173147829
BaseRepresentation
bin1110101011111…
…10010111101110
322120211021000020
413111332113232
5223014413011
620120343010
73024122415
oct725762756
9276737006
10123201006
11635a8815
1235314a66
131c6a7c06
141251047c
15ac39006
hex757e5ee

123201006 has 64 divisors (see below), whose sum is σ = 275374080. Its totient is φ = 36564480.

The previous prime is 123200999. The next prime is 123201011. The reversal of 123201006 is 600102321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148200 + ... + 149028.

It is an arithmetic number, because the mean of its divisors is an integer number (4302720).

Almost surely, 2123201006 is an apocalyptic number.

123201006 is an abundant number, since it is smaller than the sum of its proper divisors (152173074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123201006 is a wasteful number, since it uses less digits than its factorization.

123201006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 123201006 is about 11099.5948574712. The cubic root of 123201006 is about 497.5897413088.

Adding to 123201006 its reverse (600102321), we get a palindrome (723303327).

The spelling of 123201006 in words is "one hundred twenty-three million, two hundred one thousand, six".

Divisors: 1 2 3 6 17 31 34 47 51 62 93 94 102 141 186 282 527 799 829 1054 1457 1581 1598 1658 2397 2487 2914 3162 4371 4794 4974 8742 14093 24769 25699 28186 38963 42279 49538 51398 74307 77097 77926 84558 116889 148614 154194 233778 436883 662371 873766 1207853 1310649 1324742 1987113 2415706 2621298 3623559 3974226 7247118 20533501 41067002 61600503 123201006