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16310420 = 22571131031
BaseRepresentation
bin111110001110…
…000010010100
31010200122200122
4332032002110
513133413140
61341331112
7255431150
oct76160224
933618618
1016310420
119230295
125566a98
1334c0c49
142248060
151672ab5
hexf8e094

16310420 has 48 divisors (see below), whose sum is σ = 39529728. Its totient is φ = 5537280.

The previous prime is 16310401. The next prime is 16310423. The reversal of 16310420 is 2401361.

It is a super-3 number, since 3×163104203 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16310423) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15305 + ... + 16335.

It is an arithmetic number, because the mean of its divisors is an integer number (823536).

Almost surely, 216310420 is an apocalyptic number.

16310420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16310420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19764864).

16310420 is an abundant number, since it is smaller than the sum of its proper divisors (23219308).

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

16310420 is a wasteful number, since it uses less digits than its factorization.

16310420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1158 counting only the distinct ones).

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

The square root of 16310420 is about 4038.6160996064. The cubic root of 16310420 is about 253.6033862292.

Adding to 16310420 its reverse (2401361), we get a palindrome (18711781).

The spelling of 16310420 in words is "sixteen million, three hundred ten thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 113 140 226 452 565 791 1031 1130 1582 2062 2260 3164 3955 4124 5155 7217 7910 10310 14434 15820 20620 28868 36085 72170 116503 144340 233006 466012 582515 815521 1165030 1631042 2330060 3262084 4077605 8155210 16310420