Search a number
-
+
16145120 = 255100907
BaseRepresentation
bin111101100101…
…101011100000
31010101020221102
4331211223200
513113120440
61334013532
7254142215
oct75455340
933336842
1016145120
119128082
1254a72a8
133463934
142203b0c
15163db15
hexf65ae0

16145120 has 24 divisors (see below), whose sum is σ = 38143224. Its totient is φ = 6457984.

The previous prime is 16145113. The next prime is 16145131. The reversal of 16145120 is 2154161.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 16145092 and 16145101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50294 + ... + 50613.

It is an arithmetic number, because the mean of its divisors is an integer number (1589301).

Almost surely, 216145120 is an apocalyptic number.

16145120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16145120 is an abundant number, since it is smaller than the sum of its proper divisors (21998104).

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

16145120 is a wasteful number, since it uses less digits than its factorization.

16145120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100922 (or 100914 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 16145120 is about 4018.0990530349. The cubic root of 16145120 is about 252.7437505038.

Adding to 16145120 its reverse (2154161), we get a palindrome (18299281).

The spelling of 16145120 in words is "sixteen million, one hundred forty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 100907 201814 403628 504535 807256 1009070 1614512 2018140 3229024 4036280 8072560 16145120