Search a number
-
+
2240542523 = 17295977029
BaseRepresentation
bin1000010110001011…
…1111011100111011
312210010222100112102
42011202333130323
514042034330043
61010154334015
7106344203642
oct20542773473
95703870472
102240542523
11a4a80083a
1252642a30b
1329925810b
141737d2359
15d1a796b8
hex858bf73b

2240542523 has 16 divisors (see below), whose sum is σ = 2495772000. Its totient is φ = 2001495552.

The previous prime is 2240542517. The next prime is 2240542543. The reversal of 2240542523 is 3252450422.

It is not a de Polignac number, because 2240542523 - 26 = 2240542459 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240542543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9428 + ... + 67601.

It is an arithmetic number, because the mean of its divisors is an integer number (155985750).

Almost surely, 22240542523 is an apocalyptic number.

2240542523 is a deficient number, since it is larger than the sum of its proper divisors (255229477).

2240542523 is a wasteful number, since it uses less digits than its factorization.

2240542523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77134.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 2240542523 is about 47334.3693630749. The cubic root of 2240542523 is about 1308.5321482098.

Adding to 2240542523 its reverse (3252450422), we get a palindrome (5492992945).

The spelling of 2240542523 in words is "two billion, two hundred forty million, five hundred forty-two thousand, five hundred twenty-three".

Divisors: 1 17 29 59 493 1003 1711 29087 77029 1309493 2233841 4544711 37975297 77260087 131796619 2240542523