Search a number
-
+
2135490 = 235710169
BaseRepresentation
bin1000001001010111000010
311000111100020
420021113002
51021313430
6113434310
724102630
oct10112702
94014306
102135490
111229475
1286b996
1359a006
143d8350
152c2b10
hex2095c2

2135490 has 32 divisors (see below), whose sum is σ = 5857920. Its totient is φ = 488064.

The previous prime is 2135479. The next prime is 2135503. The reversal of 2135490 is 945312.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2135490.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4875 + ... + 5294.

It is an arithmetic number, because the mean of its divisors is an integer number (183060).

22135490 is an apocalyptic number.

2135490 is an abundant number, since it is smaller than the sum of its proper divisors (3722430).

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

2135490 is a wasteful number, since it uses less digits than its factorization.

2135490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10186.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2135490 is about 1461.3315845488. The cubic root of 2135490 is about 128.7752833119.

It can be divided in two parts, 21 and 35490, that added together give a triangular number (35511 = T266).

The spelling of 2135490 in words is "two million, one hundred thirty-five thousand, four hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 10169 20338 30507 50845 61014 71183 101690 142366 152535 213549 305070 355915 427098 711830 1067745 2135490