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16023142 = 28011571
BaseRepresentation
bin111101000111…
…111001100110
31010011001121201
4331013321212
513100220032
61331233114
7253123462
oct75077146
933131551
1016023142
119054473
12544879a
133420265
1421b14a2
1516178e7
hexf47e66

16023142 has 4 divisors (see below), whose sum is σ = 24034716. Its totient is φ = 8011570.

The previous prime is 16023127. The next prime is 16023173. The reversal of 16023142 is 24132061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24132061 = 171419533.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4005784 + ... + 4005787.

It is an arithmetic number, because the mean of its divisors is an integer number (6008679).

Almost surely, 216023142 is an apocalyptic number.

16023142 is a deficient number, since it is larger than the sum of its proper divisors (8011574).

16023142 is an equidigital number, since it uses as much as digits as its factorization.

16023142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8011573.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 16023142 is about 4002.8917047555. The cubic root of 16023142 is about 252.1056393409.

The spelling of 16023142 in words is "sixteen million, twenty-three thousand, one hundred forty-two".

Divisors: 1 2 8011571 16023142