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16075540 = 22513173637
BaseRepresentation
bin111101010100…
…101100010100
31010020201111101
4331110230110
513103404130
61332315444
7253432315
oct75245424
933221441
1016075540
11908a878
125472b84
13343b070
1421c660c
1516281ca
hexf54b14

16075540 has 48 divisors (see below), whose sum is σ = 38504592. Its totient is φ = 5584896.

The previous prime is 16075537. The next prime is 16075559. The reversal of 16075540 is 4557061.

16075540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2782224 + 13293316 = 1668^2 + 3646^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16075499 and 16075508.

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, 2602 + ... + 6238.

It is an arithmetic number, because the mean of its divisors is an integer number (802179).

Almost surely, 216075540 is an apocalyptic number.

16075540 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 16075540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19252296).

16075540 is an abundant number, since it is smaller than the sum of its proper divisors (22429052).

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

16075540 is a wasteful number, since it uses less digits than its factorization.

16075540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676 (or 3674 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 16075540 is about 4009.4313811312. The cubic root of 16075540 is about 252.3801476747.

The spelling of 16075540 in words is "sixteen million, seventy-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 17 20 26 34 52 65 68 85 130 170 221 260 340 442 884 1105 2210 3637 4420 7274 14548 18185 36370 47281 61829 72740 94562 123658 189124 236405 247316 309145 472810 618290 803777 945620 1236580 1607554 3215108 4018885 8037770 16075540