Search a number
-
+
2001406754 = 22921189897
BaseRepresentation
bin111011101001011…
…0000101100100010
312011110222222221002
41313102300230202
513044330004004
6530333032002
7100411451054
oct16722605442
95143888832
102001406754
11937818576
1247a325602
1325b84a769
1414db438d4
15baa8e61e
hex774b0b22

2001406754 has 12 divisors (see below), whose sum is σ = 3109203474. Its totient is φ = 966195552.

The previous prime is 2001406727. The next prime is 2001406769. The reversal of 2001406754 is 4576041002.

It can be written as a sum of positive squares in 3 ways, for example, as 1784640025 + 216766729 = 42245^2 + 14723^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 593267 + ... + 596630.

Almost surely, 22001406754 is an apocalyptic number.

2001406754 is a deficient number, since it is larger than the sum of its proper divisors (1107796720).

2001406754 is a wasteful number, since it uses less digits than its factorization.

2001406754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189957 (or 1189928 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2001406754 is about 44737.0847731499. The cubic root of 2001406754 is about 1260.2163804922.

Adding to 2001406754 its reverse (4576041002), we get a palindrome (6577447756).

The spelling of 2001406754 in words is "two billion, one million, four hundred six thousand, seven hundred fifty-four".

Divisors: 1 2 29 58 841 1682 1189897 2379794 34507013 69014026 1000703377 2001406754