Search a number
-
+
19914750 = 2325353167
BaseRepresentation
bin100101111110…
…1111111111110
31101110202220100
41023331333332
520044233000
61550501530
7331162332
oct113757776
941422810
1019914750
1110272279
1268048a6
13418369b
1429057c2
151b35a00
hex12fdffe

19914750 has 96 divisors (see below), whose sum is σ = 55194048. Its totient is φ = 5179200.

The previous prime is 19914737. The next prime is 19914761. The reversal of 19914750 is 5741991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119167 + ... + 119333.

It is an arithmetic number, because the mean of its divisors is an integer number (574938).

Almost surely, 219914750 is an apocalyptic number.

19914750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19914750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27597024).

19914750 is an abundant number, since it is smaller than the sum of its proper divisors (35279298).

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

19914750 is a wasteful number, since it uses less digits than its factorization.

19914750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 19914750 is about 4462.5945368138. The cubic root of 19914750 is about 271.0555388774.

The spelling of 19914750 in words is "nineteen million, nine hundred fourteen thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 53 75 90 106 125 150 159 167 225 250 265 318 334 375 450 477 501 530 750 795 835 954 1002 1125 1325 1503 1590 1670 2250 2385 2505 2650 3006 3975 4175 4770 5010 6625 7515 7950 8350 8851 11925 12525 13250 15030 17702 19875 20875 23850 25050 26553 37575 39750 41750 44255 53106 59625 62625 75150 79659 88510 119250 125250 132765 159318 187875 221275 265530 375750 398295 442550 663825 796590 1106375 1327650 1991475 2212750 3319125 3982950 6638250 9957375 19914750