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1140508307 = 19437391889
BaseRepresentation
bin100001111111010…
…1100011010010011
32221111001211021102
41003332230122103
54313432231212
6305101015015
740156106051
oct10376543223
92844054242
101140508307
11535872854
12279b5446b
131523949b3
14ab6851d1
156a1d85c2
hex43fac693

1140508307 has 16 divisors (see below), whose sum is σ = 1230768000. Its totient is φ = 1053368064.

The previous prime is 1140508283. The next prime is 1140508339. The reversal of 1140508307 is 7038050411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1140508307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1140508307.

It is not an unprimeable number, because it can be changed into a prime (1140508367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602819 + ... + 604707.

It is an arithmetic number, because the mean of its divisors is an integer number (76923000).

Almost surely, 21140508307 is an apocalyptic number.

1140508307 is a deficient number, since it is larger than the sum of its proper divisors (90259693).

1140508307 is a wasteful number, since it uses less digits than its factorization.

1140508307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1140508307 is about 33771.4125703975. The cubic root of 1140508307 is about 1044.7991668570.

Adding to 1140508307 its reverse (7038050411), we get a palindrome (8178558718).

The spelling of 1140508307 in words is "one billion, one hundred forty million, five hundred eight thousand, three hundred seven".

Divisors: 1 19 43 739 817 1889 14041 31777 35891 81227 603763 1395971 1543313 26523449 60026753 1140508307