Search a number
-
+
2030451340 = 225198960037
BaseRepresentation
bin111100100000110…
…0011101010001100
312020111122121121111
41321001203222030
513124243420330
6533251341404
7101213360131
oct17101435214
95214577544
102030451340
11952156165
12487bb1864
132648798c8
14153944588
15bd3ca32a
hex79063a8c

2030451340 has 48 divisors (see below), whose sum is σ = 4538872800. Its totient is φ = 760776192.

The previous prime is 2030451301. The next prime is 2030451341. The reversal of 2030451340 is 431540302.

It is not an unprimeable number, because it can be changed into a prime (2030451341) 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, 3802 + ... + 63838.

It is an arithmetic number, because the mean of its divisors is an integer number (94559850).

Almost surely, 22030451340 is an apocalyptic number.

2030451340 is a gapful number since it is divisible by the number (20) 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 2030451340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2269436400).

2030451340 is an abundant number, since it is smaller than the sum of its proper divisors (2508421460).

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

2030451340 is a wasteful number, since it uses less digits than its factorization.

2030451340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60154 (or 60152 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2030451340 is about 45060.5297350131. The cubic root of 2030451340 is about 1266.2832494492.

Adding to 2030451340 its reverse (431540302), we get a palindrome (2461991642).

The spelling of 2030451340 in words is "two billion, thirty million, four hundred fifty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 89 95 178 190 356 380 445 890 1691 1780 3382 6764 8455 16910 33820 60037 120074 240148 300185 600370 1140703 1200740 2281406 4562812 5343293 5703515 10686586 11407030 21373172 22814060 26716465 53432930 101522567 106865860 203045134 406090268 507612835 1015225670 2030451340