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16297120 = 255714551
BaseRepresentation
bin111110001010…
…110010100000
31010122222110001
4332022302200
513133001440
61341145344
7255344320
oct76126240
933588401
1016297120
1192212a4
12555b254
1334b7b88
142243280
15166db9a
hexf8aca0

16297120 has 48 divisors (see below), whose sum is σ = 44005248. Its totient is φ = 5587200.

The previous prime is 16297111. The next prime is 16297139. The reversal of 16297120 is 2179261.

It is a happy number.

It is a super-2 number, since 2×162971202 = 531192240588800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6156 + ... + 8395.

It is an arithmetic number, because the mean of its divisors is an integer number (916776).

Almost surely, 216297120 is an apocalyptic number.

16297120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16297120 is an abundant number, since it is smaller than the sum of its proper divisors (27708128).

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

16297120 is a wasteful number, since it uses less digits than its factorization.

16297120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14573 (or 14565 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 16297120 is about 4036.9691601497. The cubic root of 16297120 is about 253.5344355779.

The spelling of 16297120 in words is "sixteen million, two hundred ninety-seven thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 14551 29102 58204 72755 101857 116408 145510 203714 232816 291020 407428 465632 509285 582040 814856 1018570 1164080 1629712 2037140 2328160 3259424 4074280 8148560 16297120