Search a number
-
+
2041545040 = 245118721499
BaseRepresentation
bin111100110101111…
…1000000101010000
312021021112020022021
41321223320011100
513140113420130
6534325221224
7101406563233
oct17153700520
95237466267
102041545040
11958443007
1248b861814
13266c62222
141551d141a
15be36c37a
hex79af8150

2041545040 has 40 divisors (see below), whose sum is σ = 4750812000. Its totient is φ = 815892096.

The previous prime is 2041545019. The next prime is 2041545043. The reversal of 2041545040 is 405451402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2041544996 and 2041545014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041545043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84211 + ... + 105709.

It is an arithmetic number, because the mean of its divisors is an integer number (118770300).

Almost surely, 22041545040 is an apocalyptic number.

2041545040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2041545040 is an abundant number, since it is smaller than the sum of its proper divisors (2709266960).

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

2041545040 is a wasteful number, since it uses less digits than its factorization.

2041545040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22699 (or 22693 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2041545040 is about 45183.4598055527. The cubic root of 2041545040 is about 1268.5852433459.

Adding to 2041545040 its reverse (405451402), we get a palindrome (2446996442).

The spelling of 2041545040 in words is "two billion, forty-one million, five hundred forty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1187 2374 4748 5935 9496 11870 18992 21499 23740 42998 47480 85996 94960 107495 171992 214990 343984 429980 859960 1719920 25519313 51038626 102077252 127596565 204154504 255193130 408309008 510386260 1020772520 2041545040