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16142170 = 2511257571
BaseRepresentation
bin111101100100…
…111101011010
31010101002220011
4331210331122
513113022140
61333552134
7254130502
oct75447532
933332804
1016142170
119125940
1254a564a
1334624a5
142202a02
15163ccea
hexf64f5a

16142170 has 32 divisors (see below), whose sum is σ = 31876416. Its totient is φ = 5836800.

The previous prime is 16142167. The next prime is 16142171. The reversal of 16142170 is 7124161.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (16142171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27985 + ... + 28555.

It is an arithmetic number, because the mean of its divisors is an integer number (996138).

Almost surely, 216142170 is an apocalyptic number.

16142170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16142170 is a deficient number, since it is larger than the sum of its proper divisors (15734246).

16142170 is a wasteful number, since it uses less digits than its factorization.

16142170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 16142170 is about 4017.7319472558. The cubic root of 16142170 is about 252.7283559764.

Subtracting from 16142170 its reverse (7124161), we obtain a square (9018009 = 30032).

The spelling of 16142170 in words is "sixteen million, one hundred forty-two thousand, one hundred seventy".

Divisors: 1 2 5 10 11 22 55 110 257 514 571 1142 1285 2570 2827 2855 5654 5710 6281 12562 14135 28270 31405 62810 146747 293494 733735 1467470 1614217 3228434 8071085 16142170