Search a number
-
+
16149180 = 2235793407
BaseRepresentation
bin111101100110…
…101010111100
31010101110111210
4331212222330
513113233210
61334044420
7254160105
oct75465274
933343453
1016149180
119130133
1254a9710
133465738
1422053ac
15163ee20
hexf66abc

16149180 has 48 divisors (see below), whose sum is σ = 45803520. Its totient is φ = 4250688.

The previous prime is 16149179. The next prime is 16149223. The reversal of 16149180 is 8194161.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3037 + ... + 6443.

It is an arithmetic number, because the mean of its divisors is an integer number (954240).

Almost surely, 216149180 is an apocalyptic number.

16149180 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 16149180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22901760).

16149180 is an abundant number, since it is smaller than the sum of its proper divisors (29654340).

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

16149180 is a wasteful number, since it uses less digits than its factorization.

16149180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498 (or 3496 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 16149180 is about 4018.6042353036. The cubic root of 16149180 is about 252.7649344823.

The spelling of 16149180 in words is "sixteen million, one hundred forty-nine thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 79 158 237 316 395 474 790 948 1185 1580 2370 3407 4740 6814 10221 13628 17035 20442 34070 40884 51105 68140 102210 204420 269153 538306 807459 1076612 1345765 1614918 2691530 3229836 4037295 5383060 8074590 16149180