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16023140 = 2257114451
BaseRepresentation
bin111101000111…
…111001100100
31010011001121122
4331013321210
513100220030
61331233112
7253123460
oct75077144
933131548
1016023140
119054471
125448798
133420263
1421b14a0
1516178e5
hexf47e64

16023140 has 24 divisors (see below), whose sum is σ = 38455872. Its totient is φ = 5493600.

The previous prime is 16023127. The next prime is 16023173. The reversal of 16023140 is 4132061.

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, 57086 + ... + 57365.

It is an arithmetic number, because the mean of its divisors is an integer number (1602328).

Almost surely, 216023140 is an apocalyptic number.

16023140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16023140 is an abundant number, since it is smaller than the sum of its proper divisors (22432732).

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

16023140 is a wasteful number, since it uses less digits than its factorization.

16023140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114467 (or 114465 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 16023140 is about 4002.8914549360. The cubic root of 16023140 is about 252.1056288517.

The spelling of 16023140 in words is "sixteen million, twenty-three thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 114451 228902 457804 572255 801157 1144510 1602314 2289020 3204628 4005785 8011570 16023140