Search a number
-
+
2231514000 = 243253123973
BaseRepresentation
bin1000010100000010…
…0011001110010000
312202111222122201200
42011000203032100
514032231422000
61005233031200
7106204361502
oct20500431620
95674878650
102231514000
11a456a4551
125233b5500
132974167b1
14172521d72
15d0d94500
hex85023390

2231514000 has 120 divisors (see below), whose sum is σ = 7793997432. Its totient is φ = 595065600.

The previous prime is 2231513969. The next prime is 2231514029. The reversal of 2231514000 is 4151322.

It can be written as a sum of positive squares in 4 ways, for example, as 28901376 + 2202612624 = 5376^2 + 46932^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-3 number, since 3×22315140003 (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43987 + ... + 79986.

Almost surely, 22231514000 is an apocalyptic number.

2231514000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231514000 is an abundant number, since it is smaller than the sum of its proper divisors (5562483432).

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

2231514000 is a wasteful number, since it uses less digits than its factorization.

2231514000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124002 (or 123983 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2231514000 is about 47238.9034589077. The cubic root of 2231514000 is about 1306.7721552811.

Adding to 2231514000 its reverse (4151322), we get a palindrome (2235665322).

It can be divided in two parts, 22315 and 14000, that added together give a triangular number (36315 = T269).

The spelling of 2231514000 in words is "two billion, two hundred thirty-one million, five hundred fourteen thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 125 144 150 180 200 225 240 250 300 360 375 400 450 500 600 720 750 900 1000 1125 1200 1500 1800 2000 2250 3000 3600 4500 6000 9000 18000 123973 247946 371919 495892 619865 743838 991784 1115757 1239730 1487676 1859595 1983568 2231514 2479460 2975352 3099325 3719190 4463028 4958920 5578785 5950704 6198650 7438380 8926056 9297975 9917840 11157570 12397300 14876760 15496625 17852112 18595950 22315140 24794600 27893925 29753520 30993250 37191900 44630280 46489875 49589200 55787850 61986500 74383800 89260560 92979750 111575700 123973000 139469625 148767600 185959500 223151400 247946000 278939250 371919000 446302800 557878500 743838000 1115757000 2231514000