Search a number
-
+
16045880 = 2351943491
BaseRepresentation
bin111101001101…
…011100111000
31010012012210212
4331031130320
513101432010
61331530252
7253246664
oct75153470
933165725
1016045880
11906a564
125459988
13342a706
1421b98a4
15161e505
hexf4d738

16045880 has 64 divisors (see below), whose sum is σ = 38966400. Its totient is φ = 5927040.

The previous prime is 16045877. The next prime is 16045891. The reversal of 16045880 is 8854061.

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, 32435 + ... + 32925.

It is an arithmetic number, because the mean of its divisors is an integer number (608850).

Almost surely, 216045880 is an apocalyptic number.

16045880 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 16045880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19483200).

16045880 is an abundant number, since it is smaller than the sum of its proper divisors (22920520).

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

16045880 is a wasteful number, since it uses less digits than its factorization.

16045880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 16045880 is about 4005.7308946059. The cubic root of 16045880 is about 252.2248350352.

The spelling of 16045880 in words is "sixteen million, forty-five thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 19 20 38 40 43 76 86 95 152 172 190 215 344 380 430 491 760 817 860 982 1634 1720 1964 2455 3268 3928 4085 4910 6536 8170 9329 9820 16340 18658 19640 21113 32680 37316 42226 46645 74632 84452 93290 105565 168904 186580 211130 373160 401147 422260 802294 844520 1604588 2005735 3209176 4011470 8022940 16045880