Search a number
-
+
216062280 = 233257831033
BaseRepresentation
bin11001110000011…
…01100101001000
3120001120002201200
430320031211020
5420302443110
633234544200
75232333120
oct1470154510
9501502650
10216062280
11100a63875
1260438060
13359bc305
14209a3c80
1513e7d6c0
hexce0d948

216062280 has 192 divisors, whose sum is σ = 812972160. Its totient is φ = 48743424.

The previous prime is 216062279. The next prime is 216062303. The reversal of 216062280 is 82260612.

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, 208644 + ... + 209676.

It is an arithmetic number, because the mean of its divisors is an integer number (4234230).

Almost surely, 2216062280 is an apocalyptic number.

216062280 is a gapful number since it is divisible by the number (20) 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 216062280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406486080).

216062280 is an abundant number, since it is smaller than the sum of its proper divisors (596909880).

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

216062280 is a wasteful number, since it uses less digits than its factorization.

216062280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 216062280 is about 14699.0571126178. The cubic root of 216062280 is about 600.0576611251.

The spelling of 216062280 in words is "two hundred sixteen million, sixty-two thousand, two hundred eighty".