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16116540 = 22351124419
BaseRepresentation
bin111101011110…
…101100111100
31010022210201220
4331132230330
513111212130
61333233340
7253662666
oct75365474
933283656
1016116540
119108660
125492850
13345391b
1421d7536
151635410
hexf5eb3c

16116540 has 48 divisors (see below), whose sum is σ = 49230720. Its totient is φ = 3906880.

The previous prime is 16116539. The next prime is 16116563. The reversal of 16116540 is 4561161.

It is a self number, because there is not a number n which added to its sum of digits gives 16116540.

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, 11550 + ... + 12869.

It is an arithmetic number, because the mean of its divisors is an integer number (1025640).

Almost surely, 216116540 is an apocalyptic number.

16116540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16116540 is an abundant number, since it is smaller than the sum of its proper divisors (33114180).

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

16116540 is a wasteful number, since it uses less digits than its factorization.

16116540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24442 (or 24440 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 16116540 is about 4014.5410696616. The cubic root of 16116540 is about 252.5945272324.

The spelling of 16116540 in words is "sixteen million, one hundred sixteen thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 24419 48838 73257 97676 122095 146514 244190 268609 293028 366285 488380 537218 732570 805827 1074436 1343045 1465140 1611654 2686090 3223308 4029135 5372180 8058270 16116540