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289024512100 = 225237214532
BaseRepresentation
bin1000011010010110011…
…01000001000001100100
31000122000121121110210021
410031023031001001210
514213410233341400
6340435342204524
726611203550342
oct4151315010144
91018017543707
10289024512100
11101635890845
1248021883744
132134100737c
14ddbb612992
1577b8d6271a
hex434b341064

289024512100 has 81 divisors (see below), whose sum is σ = 645036154497. Its totient is φ = 112407799680.

The previous prime is 289024512001. The next prime is 289024512109. The reversal of 289024512100 is 1215420982.

The square root of 289024512100 is 537610.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 6944555556 + 282079956544 = 83334^2 + 531112^2 .

It is not an unprimeable number, because it can be changed into a prime (289024512109) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 198914974 + ... + 198916426.

Almost surely, 2289024512100 is an apocalyptic number.

289024512100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

289024512100 is the 537610-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289024512100

289024512100 is an abundant number, since it is smaller than the sum of its proper divisors (356011642397).

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

289024512100 is an equidigital number, since it uses as much as digits as its factorization.

289024512100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 289024512100 in words is "two hundred eighty-nine billion, twenty-four million, five hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 37 50 74 100 148 185 370 740 925 1369 1453 1850 2738 2906 3700 5476 5812 6845 7265 13690 14530 27380 29060 34225 36325 53761 68450 72650 107522 136900 145300 215044 268805 537610 1075220 1344025 1989157 2111209 2688050 3978314 4222418 5376100 7956628 8444836 9945785 10556045 19891570 21112090 39783140 42224180 49728925 52780225 78114733 99457850 105560450 156229466 198915700 211120900 312458932 390573665 781147330 1562294660 1952868325 2890245121 3905736650 5780490242 7811473300 11560980484 14451225605 28902451210 57804902420 72256128025 144512256050 289024512100