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16325142 = 231927537
BaseRepresentation
bin111110010001…
…101000010110
31010201101212220
4332101220112
513134401032
61341523210
7255522111
oct76215026
933641786
1016325142
119240359
125573506
1334c7862
14224d578
15167712c
hexf91a16

16325142 has 24 divisors (see below), whose sum is σ = 34463736. Its totient is φ = 5154624.

The previous prime is 16325137. The next prime is 16325143. The reversal of 16325142 is 24152361.

Added to its reverse (24152361) it gives a triangular number (40477503 = T8997).

16325142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163251422 = 533020522640328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16325143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1603 + ... + 5934.

It is an arithmetic number, because the mean of its divisors is an integer number (1435989).

Almost surely, 216325142 is an apocalyptic number.

16325142 is an abundant number, since it is smaller than the sum of its proper divisors (18138594).

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

16325142 is a wasteful number, since it uses less digits than its factorization.

16325142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7580 (or 7561 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 16325142 is about 4040.4383425564. The cubic root of 16325142 is about 253.6796652030.

Adding to 16325142 its reverse (24152361), we get a triangular number (40477503 = T8997).

The spelling of 16325142 in words is "sixteen million, three hundred twenty-five thousand, one hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 361 722 1083 2166 7537 15074 22611 45222 143203 286406 429609 859218 2720857 5441714 8162571 16325142