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16145420 = 2253126041
BaseRepresentation
bin111101100101…
…110000001100
31010101021100112
4331211300030
513113123140
61334015152
7254143124
oct75456014
933337315
1016145420
119128325
1254a74b8
133463b05
142203c84
15163dc65
hexf65c0c

16145420 has 24 divisors (see below), whose sum is σ = 35000448. Its totient is φ = 6249600.

The previous prime is 16145413. The next prime is 16145449. The reversal of 16145420 is 2454161.

16145420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12401 + ... + 13640.

It is an arithmetic number, because the mean of its divisors is an integer number (1458352).

Almost surely, 216145420 is an apocalyptic number.

16145420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16145420 is an abundant number, since it is smaller than the sum of its proper divisors (18855028).

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

16145420 is a wasteful number, since it uses less digits than its factorization.

16145420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26081 (or 26079 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 16145420 is about 4018.1363839472. The cubic root of 16145420 is about 252.7453159439.

Adding to 16145420 its reverse (2454161), we get a palindrome (18599581).

The spelling of 16145420 in words is "sixteen million, one hundred forty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 26041 52082 104164 130205 260410 520820 807271 1614542 3229084 4036355 8072710 16145420