Search a number
-
+
201048390 = 232513731627
BaseRepresentation
bin10111111101111…
…00000101000110
3112000022022112200
423332330011012
5402432022030
631541055330
74660611624
oct1376740506
9460268480
10201048390
11a35396a4
12573b7546
133286355a
141c9b6514
15129b4d60
hexbfbc146

201048390 has 48 divisors (see below), whose sum is σ = 523428048. Its totient is φ = 53540928.

The previous prime is 201048377. The next prime is 201048401. The reversal of 201048390 is 93840102.

It is a congruent number.

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, 122757 + ... + 124383.

It is an arithmetic number, because the mean of its divisors is an integer number (10904751).

Almost surely, 2201048390 is an apocalyptic number.

201048390 is an abundant number, since it is smaller than the sum of its proper divisors (322379658).

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

201048390 is a wasteful number, since it uses less digits than its factorization.

201048390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013 (or 3010 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 201048390 is about 14179.1533597743. The cubic root of 201048390 is about 585.8236043368.

Adding to 201048390 its reverse (93840102), we get a palindrome (294888492).

The spelling of 201048390 in words is "two hundred one million, forty-eight thousand, three hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1373 1627 2746 3254 4119 4881 6865 8135 8238 9762 12357 13730 14643 16270 20595 24405 24714 29286 41190 48810 61785 73215 123570 146430 2233871 4467742 6701613 11169355 13403226 20104839 22338710 33508065 40209678 67016130 100524195 201048390