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16230900 = 22352759131
BaseRepresentation
bin111101111010…
…100111110100
31010112121121110
4331322213310
513123342100
61335515020
7254650260
oct75724764
933477543
1016230900
119186574
125528a70
1334939aa
1422270a0
151659250
hexf7a9f4

16230900 has 144 divisors (see below), whose sum is σ = 54996480. Its totient is φ = 3619200.

The previous prime is 16230889. The next prime is 16230911. The reversal of 16230900 is 903261.

It is an interprime number because it is at equal distance from previous prime (16230889) and next prime (16230911).

It is a super-2 number, since 2×162309002 = 526884229620000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123835 + ... + 123965.

It is an arithmetic number, because the mean of its divisors is an integer number (381920).

Almost surely, 216230900 is an apocalyptic number.

16230900 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 16230900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27498240).

16230900 is an abundant number, since it is smaller than the sum of its proper divisors (38765580).

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

16230900 is a wasteful number, since it uses less digits than its factorization.

16230900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 16230900 is about 4028.7591141690. The cubic root of 16230900 is about 253.1905743841.

The spelling of 16230900 in words is "sixteen million, two hundred thirty thousand, nine hundred".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 59 60 70 75 84 100 105 118 131 140 150 175 177 210 236 262 295 300 350 354 393 413 420 524 525 590 655 700 708 786 826 885 917 1050 1180 1239 1310 1475 1572 1652 1770 1834 1965 2065 2100 2478 2620 2751 2950 3275 3540 3668 3930 4130 4425 4585 4956 5502 5900 6195 6550 7729 7860 8260 8850 9170 9825 10325 11004 12390 13100 13755 15458 17700 18340 19650 20650 22925 23187 24780 27510 30916 30975 38645 39300 41300 45850 46374 54103 55020 61950 68775 77290 91700 92748 108206 115935 123900 137550 154580 162309 193225 216412 231870 270515 275100 324618 386450 463740 541030 579675 649236 772900 811545 1082060 1159350 1352575 1623090 2318700 2705150 3246180 4057725 5410300 8115450 16230900