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23140611 = 3213972039
BaseRepresentation
bin101100001000…
…1100100000011
31121112122221200
41120101210003
521410444421
62143552243
7400456224
oct130214403
947478850
1023140611
111207597a
1278bb683
134a42a90
14310524b
152071726
hex1611903

23140611 has 24 divisors (see below), whose sum is σ = 36385440. Its totient is φ = 14086656.

The previous prime is 23140609. The next prime is 23140657. The reversal of 23140611 is 11604132.

It is a happy number.

It is not a de Polignac number, because 23140611 - 21 = 23140609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23145611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10330 + ... + 12368.

It is an arithmetic number, because the mean of its divisors is an integer number (1516060).

Almost surely, 223140611 is an apocalyptic number.

23140611 is a deficient number, since it is larger than the sum of its proper divisors (13244829).

23140611 is a wasteful number, since it uses less digits than its factorization.

23140611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155 (or 2152 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 23140611 is about 4810.4688960641. The cubic root of 23140611 is about 284.9650557341.

Adding to 23140611 its reverse (11604132), we get a palindrome (34744743).

The spelling of 23140611 in words is "twenty-three million, one hundred forty thousand, six hundred eleven".

Divisors: 1 3 9 13 39 97 117 291 873 1261 2039 3783 6117 11349 18351 26507 79521 197783 238563 593349 1780047 2571179 7713537 23140611