Search a number
-
+
1516230 = 232517991
BaseRepresentation
bin101110010001011000110
32212000212200
411302023012
5342004410
652255330
715613332
oct5621306
92760780
101516230
11946191
12611546
134111a1
142b67c2
151ee3c0
hex1722c6

1516230 has 48 divisors (see below), whose sum is σ = 4178304. Its totient is φ = 380160.

The previous prime is 1516217. The next prime is 1516231. The reversal of 1516230 is 326151.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516231) 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, 1035 + ... + 2025.

It is an arithmetic number, because the mean of its divisors is an integer number (87048).

21516230 is an apocalyptic number.

1516230 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 1516230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2089152).

1516230 is an abundant number, since it is smaller than the sum of its proper divisors (2662074).

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

1516230 is a wasteful number, since it uses less digits than its factorization.

1516230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1516230 is about 1231.3529144807. The cubic root of 1516230 is about 114.8828043629.

The spelling of 1516230 in words is "one million, five hundred sixteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 17 18 30 34 45 51 85 90 102 153 170 255 306 510 765 991 1530 1982 2973 4955 5946 8919 9910 14865 16847 17838 29730 33694 44595 50541 84235 89190 101082 151623 168470 252705 303246 505410 758115 1516230