Search a number
-
+
16012340 = 225432433
BaseRepresentation
bin111101000101…
…010000110100
31010010111210122
4331011100310
513044343330
61331111112
7253050131
oct75052064
933114718
1016012340
119047343
125442498
133418376
1421ab588
1516145e5
hexf45434

16012340 has 36 divisors (see below), whose sum is σ = 34505604. Its totient is φ = 6241536.

The previous prime is 16012319. The next prime is 16012349. The reversal of 16012340 is 4321061.

It can be written as a sum of positive squares in 2 ways, for example, as 3579664 + 12432676 = 1892^2 + 3526^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16012349) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 36764 + ... + 37196.

It is an arithmetic number, because the mean of its divisors is an integer number (958489).

Almost surely, 216012340 is an apocalyptic number.

16012340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16012340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17252802).

16012340 is an abundant number, since it is smaller than the sum of its proper divisors (18493264).

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

16012340 is a wasteful number, since it uses less digits than its factorization.

16012340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 16012340 is about 4001.5422027014. The cubic root of 16012340 is about 252.0489742727.

The spelling of 16012340 in words is "sixteen million, twelve thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 433 860 866 1732 1849 2165 3698 4330 7396 8660 9245 18490 18619 36980 37238 74476 93095 186190 372380 800617 1601234 3202468 4003085 8006170 16012340