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15690114 = 23211109727
BaseRepresentation
bin111011110110…
…100110000010
31002112010210100
4323312212002
513004040424
61320143230
7250235526
oct73664602
932463710
1015690114
118947240
125307b16
1333347bb
142125d86
15159ddc9
hexef6982

15690114 has 48 divisors (see below), whose sum is σ = 37477440. Its totient is φ = 4704480.

The previous prime is 15690113. The next prime is 15690119. The reversal of 15690114 is 41109651.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (15690113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21219 + ... + 21945.

It is an arithmetic number, because the mean of its divisors is an integer number (780780).

Almost surely, 215690114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15690114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18738720).

15690114 is an abundant number, since it is smaller than the sum of its proper divisors (21787326).

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

15690114 is a wasteful number, since it uses less digits than its factorization.

15690114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 15690114 is about 3961.0748541273. The cubic root of 15690114 is about 250.3467933816.

Adding to 15690114 its reverse (41109651), we get a palindrome (56799765).

The spelling of 15690114 in words is "fifteen million, six hundred ninety thousand, one hundred fourteen".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 109 198 218 327 654 727 981 1199 1454 1962 2181 2398 3597 4362 6543 7194 7997 10791 13086 15994 21582 23991 47982 71973 79243 143946 158486 237729 475458 713187 871673 1426374 1743346 2615019 5230038 7845057 15690114