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12540014 = 2234161109
BaseRepresentation
bin101111110101…
…100001101110
3212121002122222
4233311201232
511202240024
61124435342
7211405544
oct57654156
925532588
1012540014
117095553
124248b52
1327a0a36
141945d94
15117a85e
hexbf586e

12540014 has 32 divisors (see below), whose sum is σ = 20623680. Its totient is φ = 5702400.

The previous prime is 12539993. The next prime is 12540041. The reversal of 12540014 is 41004521.

It is a super-2 number, since 2×125400142 = 314503902240392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12539974 and 12540001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114992 + ... + 115100.

It is an arithmetic number, because the mean of its divisors is an integer number (644490).

Almost surely, 212540014 is an apocalyptic number.

12540014 is a deficient number, since it is larger than the sum of its proper divisors (8083666).

12540014 is a wasteful number, since it uses less digits than its factorization.

12540014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12540014 is about 3541.1882186633. The cubic root of 12540014 is about 232.3268159573.

Adding to 12540014 its reverse (41004521), we get a palindrome (53544535).

The spelling of 12540014 in words is "twelve million, five hundred forty thousand, fourteen".

Divisors: 1 2 23 41 46 61 82 109 122 218 943 1403 1886 2501 2507 2806 4469 5002 5014 6649 8938 13298 57523 102787 115046 152927 205574 272609 305854 545218 6270007 12540014